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Raja has Published 469 Articles

raja
512 Views
In Java 9, a new method added to the Collectors class: flatMapping(). It is similar to the Collectors.mapping() method in which the flatMapping() method allows us to handle nested collections. The Collectors.flatMapping() method takes a function to be applied to input elements and a collector to accumulate the elements passed ... Read More

raja
393 Views
Collectors class is an essential part of the Stream API. In Java 9, a new method: filtering() added to the Collectors class. The Collectors.filtering() method can be used for filtering elements in a stream. It is similar to the filter() method on streams. The filter() method processes the values before they have grouped whereas ... Read More

raja
512 Views
JShell is an interactive tool introduced since Java 9. It is Java's first official REPL tool to create a simple programming environment in the command-line that reads the user's inputs, evaluates it, and prints the result.We can able to create a new JShell instance programmatically in Java language. JShell and its associated APIs ... Read More

raja
942 Views
The primary objective of the Jigsaw project is to introduce the modularity concept to create a module in Java 9 and then applying the same to JDK.Below are some of the benefits of Modularity(Jigsaw)Strong Encapsulation: The modules can access only those parts that can be available for use. Unless the ... Read More

raja
2K+ Views
The transferTo() method has been added to the InputStream class in Java 9. This method has been used to copy data from input streams to output streams in Java. It means it reads all bytes from an input stream and writes the bytes to an output stream in the order in ... Read More

raja
689 Views
An important feature introduced in Java 9 is Module. By using a module, we can divide the code into smaller components called modules. It means each module has its own responsibility and declare its dependency on other modules to work correctly.Below are the steps to create a modular project in ... Read More

raja
336 Views
The module is a collection of code, data, and resources. It is a set of related packages and types like classes, abstract classes, and interfaces with code, data files, and some static resources.Below are some of the characteristics of a module.Characteristics of a module:A module must define an interface for communication with other modules.A ... Read More

raja
2K+ Views
The OutOfMemoryError is thrown by JVM, when JVM does not have enough available memory, to allocate. OutOfMemoryError falls into the Error category in Exception class hierarchy.To generate OutOfMemoryErrorWe will allocate a large chunk of memory, which will exhaust heap memory storage.We will keep on allocating the memory and point will reach, when JVM ... Read More

raja
3K+ Views
Java Swing is a set of APIs that provides a graphical user interface (GUI) for the java programs. The Java Swing was developed based on earlier APIs called Abstract Windows Toolkit (AWT). The Java Swing provides richer and more sophisticated GUI components than AWT. The GUI components are ranging from ... Read More

raja
233 Views
Java provides some other modifiers to provide the functionalities other than the visibility. These modifiers are called Non-Access ModifiersStatic The members which are declared as static are common to all instances of a class. Static members are class level members which are stored in the class memory.Final This modifier is ... Read More