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A tuple in Python is an ordered, immutable collection that holds multiple items, supports mixed data types, and allows indexing. Since tuples cannot be modified, index slicing can exclude specific elements when needed. Conversion to a List Applying Tuple Conversion Slicing Conversion to a ... Read More
A tuple in Python is an ordered, immutable collection that stores multiple items. It supports mixed data types, allows indexing, and is commonly used for fixed data structures. Unicode String A Unicode string in Python tuple refers to a tuple containing Unicode string values or a string that includes a tuple with Unicode characters. Tuple with Unicode string Unicode string representing a tuple ... Read More
A tuple in Python is an ordered, immutable collection that stores multiple items. It supports mixed data types, allows indexing, and is commonly used for fixed data structures. Non-literal Tuple Literal Tuple Non-Literal Tuple A non-literal tuple in Python is created dynamically using code instead of being written directly with parentheses and values like (2, 4, 6). # From a list data = [2, 4, 6] t = tuple(data) print(t) # From a generator t = tuple(i for i in range(3)) # ... Read More
The TreeMap is a class of Java Collection Framework that implements NavigableMap Interface. It stores the elements of the map in a tree structure and provides an efficient alternative to store the key-value pairs in sorted order. In other words, it always returns the elements in ascending order. However, Java provides a few ways to iterate through the TreeMap in descending order. In this article, we are going to explore the ways of iterating TreeMap in Reverse order. How to Iterate TreeMap in Reverse Order? In Java, we can use the following ways to print elements of TreeMap in reverse ... Read More
You are given a String and your task is to find its beginning. Here, beginning means starting characters of the string up to a certain position. In Java, String is a class of java.lang package that represents a sequence of characters. These characters are enclosed within double quotes. If you want to access characters in a Java String, use their index. Each character is associated with a numerical index, starting from 0 up to n-1, where n is the length of String. In this article, we will learn how to use the index to find the ... Read More
For a given String , our task is to write a Java program that converts it into an Integer. In Java, String is a class in java.lang package that stores a series of characters enclosed within double quotes. Integer is a primitive datatype that stores numerical values. Converting a String to int in Java We can use the following methods to convert a string into an integer in Java: Integer.parseInt() Integer.valueOf() Let's discuss these methods one by one with the help of example programs. Using Integer.parseInt() The Integer.parseInt() is a static method that belongs to the Integer class ... Read More
In C++, operators are special symbols that are designed to perform various Operations on variables and values, like arithmetic, comparison, or logical operations. A Postfix Operator is a type of operator that is used to increment or decrement a value by 1(unless overloaded). It is a unary operator, which works only on a single variable. There are two types of postfix operators in C++: ++ : Post-increment -- : Post-decrement Post Increment Operator (++) The post-increment operator increments the value of a given variable by 1, but only after its ... Read More
We are given a String and our task is to write Java programs that count its words. A string is a class in Java that stores a series of characters enclosed within double quotes. To count words of the given strings, check whether the character at the current index is a whitespace (' ') or a letter. If it is whitespace and the next character is a letter. Then, increment the counter variable to specify we have encountered a word. Example Scenario: Input: "You are on Tutorials Point website"; Output: Number of words in the given string: 6 ... Read More
In Java, you cannot override static methods but you can overload them. Overloading a static method is allowed because the JVM determines which method to call at compile time based on the method signature, rather than the object's type. However, overriding is not allowed for static methods because an overridden method is called based on the object's type. In this article, we are going to discuss is it possible to overload and override a static method in Java. Also, we will understand static methods, method overloading and method overriding. What is a Static Method? A method defined using the static ... Read More
In Java, we cannot override a final method. Once a method is declared final, the Java compiler marks this method as non changeable. Therefore, behaviour of the final method will be the same throughout the application. Suppose you are building an payment application. There is a method that calculates transaction fees based on the amount. You must declare this method as final to make sure each subclass use the same calculation logic. What is a final Method in Java? A method declared using the final keyword, is called as final method. The final keyword is a non-access modifier and used ... Read More