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- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
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Java APIs & Frameworks
Java Useful Resources
- Java - Loop Control
- Java - Decision Making
- Java - If-else
- Java - Switch
- Java - For Loops
- Java - For-Each Loops
- Java - While Loops
- Java - do-while Loops
- Java - Break
- Java - Continue
Object Oriented Programming
- Java - OOPs Concepts
- Java - Object & Classes
- Java - Class Attributes
- Java - Class Methods
- Java - Methods
- Java - Variables Scope
- Java - Constructors
- Java - Access Modifiers
- Java - Inheritance
- Java - Aggregation
- Java - Polymorphism
- Java - Overriding
- Java - Method Overloading
- Java - Dynamic Binding
- Java - Static Binding
- Java - Instance Initializer Block
- Java - Abstraction
- Java - Encapsulation
- Java - Interfaces
- Java - Packages
- Java - Inner Classes
- Java - Static Class
- Java - Anonymous Class
- Java - Singleton Class
- Java - Wrapper Classes
- Java - Enums
- Java - Enum Constructor
- Java - Enum Strings
Java Built-in Classes
Java File Handling
- Java - Files
- Java - Create a File
- Java - Write to File
- Java - Read Files
- Java - Delete Files
- Java - Directories
- Java - I/O Streams
Java Error & Exceptions
- Java - Exceptions
- Java - try-catch Block
- Java - try-with-resources
- Java - Multi-catch Block
- Java - Nested try Block
- Java - Finally Block
- Java - throw Exception
- Java - Exception Propagation
- Java - Built-in Exceptions
- Java - Custom Exception
Java Multithreading
- Java - Multithreading
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- Java - Thread Scheduler
- Java - Thread Pools
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- Java - Thread Priority
- Java - Daemon Threads
- Java - Thread Group
- Java - Shutdown Hook
Java Synchronization
- Java - Synchronization
- Java - Block Synchronization
- Java - Static Synchronization
- Java - Inter-thread Communication
- Java - Thread Deadlock
- Java - Interrupting a Thread
- Java - Thread Control
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Java Networking
- Java - Networking
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- Java - URL Processing
- Java - URL Class
- Java - URLConnection Class
- Java - HttpURLConnection Class
- Java - Socket Class
- Java - Generics
Java Collections
Java List Interface
Java Queue Interface
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
Java File Handling
- Java - Files
- Java - Create a File
- Java - Write to File
- Java - Read Files
- Java - Delete Files
- Java - Directories
- Java - I/O Streams
Java Error & Exceptions
- Java - Exceptions
- Java - try-catch Block
- Java - try-with-resources
- Java - Multi-catch Block
- Java - Nested try Block
- Java - Finally Block
- Java - throw Exception
- Java - Exception Propagation
- Java - Built-in Exceptions
- Java - Custom Exception
Java Multithreading
- Java - Multithreading
- Java - Thread Life Cycle
- Java - Creating a Thread
- Java - Starting a Thread
- Java - Joining Threads
- Java - Naming Thread
- Java - Thread Scheduler
- Java - Thread Pools
- Java - Main Thread
- Java - Thread Priority
- Java - Daemon Threads
- Java - Thread Group
- Java - Shutdown Hook
Java Synchronization
- Java - Synchronization
- Java - Block Synchronization
- Java - Static Synchronization
- Java - Inter-thread Communication
- Java - Thread Deadlock
- Java - Interrupting a Thread
- Java - Thread Control
- Java - Reentrant Monitor
Java Networking
- Java - Networking
- Java - Socket Programming
- Java - URL Processing
- Java - URL Class
- Java - URLConnection Class
- Java - HttpURLConnection Class
- Java - Socket Class
- Java - Generics
Java Collections
Java List Interface
Java Queue Interface
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
- Java - Exceptions
- Java - try-catch Block
- Java - try-with-resources
- Java - Multi-catch Block
- Java - Nested try Block
- Java - Finally Block
- Java - throw Exception
- Java - Exception Propagation
- Java - Built-in Exceptions
- Java - Custom Exception
Java Multithreading
- Java - Multithreading
- Java - Thread Life Cycle
- Java - Creating a Thread
- Java - Starting a Thread
- Java - Joining Threads
- Java - Naming Thread
- Java - Thread Scheduler
- Java - Thread Pools
- Java - Main Thread
- Java - Thread Priority
- Java - Daemon Threads
- Java - Thread Group
- Java - Shutdown Hook
Java Synchronization
- Java - Synchronization
- Java - Block Synchronization
- Java - Static Synchronization
- Java - Inter-thread Communication
- Java - Thread Deadlock
- Java - Interrupting a Thread
- Java - Thread Control
- Java - Reentrant Monitor
Java Networking
- Java - Networking
- Java - Socket Programming
- Java - URL Processing
- Java - URL Class
- Java - URLConnection Class
- Java - HttpURLConnection Class
- Java - Socket Class
- Java - Generics
Java Collections
Java List Interface
Java Queue Interface
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
- Java - Synchronization
- Java - Block Synchronization
- Java - Static Synchronization
- Java - Inter-thread Communication
- Java - Thread Deadlock
- Java - Interrupting a Thread
- Java - Thread Control
- Java - Reentrant Monitor
Java Networking
- Java - Networking
- Java - Socket Programming
- Java - URL Processing
- Java - URL Class
- Java - URLConnection Class
- Java - HttpURLConnection Class
- Java - Socket Class
- Java - Generics
Java Collections
Java List Interface
Java Queue Interface
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
Java List Interface
Java Queue Interface
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
Java Map Interface
- Java - Map Interface
- Java - HashMap
- Java - LinkedHashMap
- Java - WeakHashMap
- Java - EnumMap
- Java - SortedMap Interface
- Java - TreeMap
- Java - The IdentityHashMap Class
Java Set Interface
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
- Java - Set Interface
- Java - HashSet
- Java - EnumSet
- Java - LinkedHashSet
- Java - SortedSet Interface
- Java - TreeSet
Java Data Structures
- Java - Data Structures
- Java - Enumeration
- Java - BitSet Class
- Java - Dictionary
- Java - Hashtable
- Java - Properties
Java Collections Algorithms
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
Java Miscellaneous
- Java - Recursion
- Java - Regular Expressions
- Java - Serialization
- Java - Strings
- Java - Process API Improvements
- Java - Stream API Improvements
- Java - Enhanced @Deprecated Annotation
- Java - CompletableFuture API Improvements
- Java - Array Methods
Advanced Java
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
- Java - Command-Line Arguments
- Java - Lambda Expressions
- Java - Sending Email
- Java - Applet Basics
- Java - Javadoc Comments
- Java - Autoboxing and Unboxing
- Java - File Mismatch Method
- Java - REPL (JShell)
- Java - Multi-Release Jar Files
- Java - Private Interface Methods
- Java - Inner Class Diamond Operator
- Java - Multiresolution Image API
- Java - Collection Factory Methods
- Java - Module System
- Java - Nashorn JavaScript
- Java - Optional Class
- Java - Method References
- Java - Functional Interfaces
- Java - Default Methods
- Java - Base64 Encode Decode
- Java - Switch Expressions
- Java - Teeing Collectors
- Java - Microbenchmark
- Java - Text Blocks
- Java - Null Pointer Exception
- Java - Packaging Tools
- Java - Sealed Classes
- Java - Record Classes
- Java - Hidden Classes
- Java - Compact Number Formatting
Java APIs & Frameworks
Java Useful Resources
Java 8 Mock Test
This section presents you various set of Mock Tests related to Java 8. You can download these sample mock tests at your local machine and solve offline at your convenience. Every mock test is supplied with a mock test key to let you verify the final score and grade yourself.
Java 8 Mock Test II
Q 1 - Which of the following functional interface represents a function that accepts an int-valued argument and produces a result?
Answer : B
Explanation
IntFunction<R> functional interface represents a function that accepts an int-valued argument and produces a result.
Q 2 - Which of the following functional interface represents a predicate (Boolean-valued function) of one int-valued argument?
Answer : C
Explanation
IntPredicate functional interface represents a predicate (Boolean-valued function) of one int-valued argument.
Q 3 - Which of the following functional interface represents a supplier of int-valued results?
Answer : D
Explanation
IntPredicate functional interface represents a supplier of int-valued results.
Q 4 - Which of the following functional interface represents a function that accepts an int-valued argument and produces a double-valued result?
Answer : A
Explanation
IntPredicate functional interface represents a function that accepts an int-valued argument and produces a double-valued result.
Q 5 - Which of the following functional interface represents a function that accepts an int-valued argument and produces a long-valued result?
Answer : B
Explanation
IntToLongFunction functional interface represents a function that accepts an int-valued argument and produces a long-valued result.
Q 6 - Which of the following functional interface represents an operation on a single int-valued operand that produces an int-valued result?
Answer : C
Explanation
IntUnaryOperator functional interface represents an operation on a single int-valued operand that produces an int-valued result.
Q 7 - Which of the following functional interface represents an operation upon two long-valued operands and produces a long-valued result?
Answer : D
Explanation
LongBinaryOperator functional interface represents an operation upon two long-valued operands and produces a long-valued result.
Q 8 - Which of the following functional interface represents an operation that accepts a single long-valued argument and returns no result?
Answer : A
Explanation
LongConsumer functional interface represents an operation that accepts a single long-valued argument and returns no result.
Q 9 - Which of the following functional interface represents a function that accepts a long-valued argument and produces a result?
Answer : B
Explanation
LongFunction<R> functional interface represents a function that accepts a long-valued argument and produces a result.
Q 10 - Which of the following functional interface represents a predicate (Boolean-valued function) of one long-valued argument?
Answer : C
Explanation
LongPredicate functional interface represents a predicate (Boolean-valued function) of one long-valued argument.
Q 11 - Which of the following functional interface represents a supplier of long-valued results?
Answer : D
Explanation
LongSupplier functional interface represents a supplier of long-valued results.
Q 12 - Which of the following functional interface represents a function that accepts a long-valued argument and produces a double-valued result?
Answer : A
Explanation
LongToDoubleFunction functional interface represents a function that accepts a long-valued argument and produces a double-valued result.
Q 13 - Which of the following functional interface represents a function that accepts a long-valued argument and produces an int-valued result?
Answer : B
Explanation
LongToIntFunction functional interface represents a function that accepts a long-valued argument and produces an int-valued result.
Q 14 - Which of the following functional interface represents an operation on a single long-valued operand that produces a long-valued result?
Answer : C
Explanation
LongUnaryOperator functional interface represents an operation on a single long-valued operand that produces a long-valued result.
Q 15 - Which of the following functional interface represents an operation that accepts an object-valued and a double-valued argument, and returns no result?
Answer : D
Explanation
ObjDoubleConsumer<T> functional interface represents an operation that accepts an object-valued and a double-valued argument, and returns no result.
Q 16 - Which of the following functional interface represents an operation that accepts an object-valued and an int-valued argument, and returns no result?
Answer : A
Explanation
ObjIntConsumer<T> functional interface represents an operation that accepts an object-valued and an int-valued argument, and returns no result.
Q 17 - Which of the following functional interface represents an operation that accepts an object-valued and a long-valued argument, and returns no result?
Answer : B
Explanation
ObjLongConsumer<T> functional interface represents an operation that accepts an object-valued and a long-valued argument, and returns no result.
Q 18 - Which of the following functional interface represents a predicate (Boolean-valued function) of one argument?
Answer : C
Explanation
Predicate<T> functional interface represents a predicate (Boolean-valued function) of one argument.
Q 19 - Which of the following functional interface represents a supplier of results?
Answer : D
Explanation
Supplier<T> functional interface represents a supplier of results.
Q 20 - Which of the following functional interface represents a function that accepts two arguments and produces a double-valued result?
Answer : A
Explanation
ToDoubleBiFunction<T,U> functional interface represents a function that accepts two arguments and produces a double-valued result.
Q 21 - Which of the following functional interface represents a function that produces a double-valued result?
Answer : B
Explanation
ToDoubleFunction<T> functional interface represents a function that produces a double-valued result.
Q 22 - Which of the following functional interface represents a function that accepts two arguments and produces an int-valued result?
Answer : C
Explanation
ToIntBiFunction<T,U> functional interface represents a function that accepts two arguments and produces an int-valued result.
Q 23 - Which of the following functional interface represents a function that produces an int-valued result?
Answer : D
Explanation
ToIntFunction<T> functional interface represents a function that produces an int-valued result.
Q 24 - Which of the following functional interface represents a function that accepts two arguments and produces a long-valued result?
Answer : A
Explanation
ToLongBiFunction<T,U> functional interface represents a function that accepts two arguments and produces a long-valued result.
Q 25 - Which of the following functional interface represents a function that produces a long-valued result?
Answer : B
Explanation
ToLongFunction<T> functional interface represents a function that produces a long-valued result.
Answer Sheet
Question Number | Answer Key |
---|---|
1 | B |
2 | C |
3 | D |
4 | A |
5 | B |
6 | C |
7 | D |
8 | A |
9 | B |
10 | C |
11 | D |
12 | A |
13 | B |
14 | C |
15 | D |
16 | A |
17 | B |
18 | C |
19 | D |
20 | A |
21 | B |
22 | C |
23 | D |
24 | A |
25 | B |