In this program, you'll learn to convert an array to a set and vice versa in Java. Example 1: Convert Array to Set import java.util.*; public class ArraySet { public…

In this program, you'll learn different techniques to convert a map to a list in Java. Example 1: Convert Map to List import java.util.*; public class MapList { public static…

In this program, you'll learn different techniques to join two lists in Java. Example 1: Join Two Lists using addAll() import java.util.ArrayList; import java.util.List; public class JoinLists { public static…

In this example, we will check if a string is the valid shuffle of two other strings in Java. Example: Check if a string is a valid shuffle of two…

In this example, we will learn to check if a string contains a substring using contains() and indexOf() method in Java. Example 1: Check if a string contains a substring…

In this example, we will learn to implement the switch statement on strings in Java. Example: Implement the switch statement on Strings // Java Program to implement String on switch…

In this tutorial, we will learn to differentiate the string == operator and equals() method in Java Example 1: Java program to differentiate == and equals() class Main { public…

In this tutorial, we will learn to iterate through each characters of the string. Example 1: Loop through each character of a string using for loop class Main { public…

In this example, we will learn to convert the first letter of a string into the uppercase in Java. Example 1: Java program to make the first letter of a…