charAt()

Write a Java program to reverse a given string with preserving the position of spaces? File: RemoveChar .java public class ReverseStringPreserveSpace {…

How do you find duplicate characters in a string? Following program demonstrate it. File: DuplicateCharFinder .java import java.util.HashMap; import java.util.Map; import java.util.Set;…

Java program to find the percentage of uppercase, lowercase, digits and special characters in a string File: CharacterPercentage .java import java.text.DecimalFormat; public…

Write a code to check whether one string is a rotation of another? File: RotationString .java public class RotationString { public static…

Write a Java program to check whether two strings are anagram or not? Two strings are called anagrams if they contain same…

Write a Java program to count the number of words in a string? File: WordCount .java public class WordCount { static int…

How to check Palindrome String in Java We can check palindrome string by reversing string and checking whether it is equal to…

How to convert String to Integer and Integer to String in java Following is the program to demonstrate it. File: ConvertStringToInteger.java public…

How to optimize string creation? By using string literals. Ex: File: StringPerformance .java public class StringPerformance { public static void main(String[] args)…

How to remove a particular character from a string ? File: RemoveChar .java public class RemoveChar { public static void main(String[] args)…