Friday, January 3, 2020

Reverse a String in Java

I wrote this program to ask the user to give a string and then the program will reverse the given string using Java as my programming language.

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Sample Program Output


Program Listing

ReverseString.java


import java.util.*;

class ReverseString {

    public static void main(String args[]) {
        String original, reverse = "";
        int i=0;
        Scanner input = new Scanner(System.in);

        System.out.println();
        System.out.println("\tReverse a String in Java");
        System.out.println();
        System.out.print("\tGive a String to Reverse : ");
        original = input.nextLine();

        int length = original.length();
        System.out.println();
        for (i = length-1; i >= 0;  i--) 
             reverse = reverse + original.charAt(i);
        System.out.println("\tThe reverse string is " + reverse +".");
        
       System.out.print("\n\n");
       System.out.print("\tEnd of Program");
       System.out.println();
    }
}






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