Reverse

import java.io.*;
class Reverse
{
public static void main(String args[])throws IOException
{
InputStreamReader reader=new InputStreamReader(System.in);
BufferedReader input=new BufferedReader(reader);
System.out.println("ENTER THE STRING");
char ch;
String rev="";
String s=input.readLine();

for(int i=s.length()-1;i>=0;i--)
{
ch=s.charAt(i);
rev=rev+ch;
}
System.out.println("AFTER REVERSAL THE STRING IS "+rev);
}
}

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2>Download SOURCE CODE