4) intput="xyzwabcd"
intput2=2;
input3=4;
output=bawz
package Set2;
public class
ClassSET4 {
public static
void main(String[] args) {
String s1="xyzwabcd";
int n1=2,n2=4;
System.out.println(retrievalOfString(s1,n1,n2));
}
public static
String retrievalOfString(String s1, int n1, int n2) {
StringBuffer sb=new StringBuffer(s1);
sb.reverse();
String s2=sb.substring(n1, n1+n2);
return s2;
}
}