Answer Posted / soumya roy

public class rev
{

public static void main(String[] args)
{
String str="hi my name is hello ";
System.out.println("the string is :" + str);
char[] ch=str.toCharArray();
int i;
int len = ch.length;
for(i=len-1;i>=0;i--)
{
System.out.print(ch[i]);
}
}
}

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