String_Buffer

public class NewClass1 {

    public static void main(String[] args){

        //Declaring String Buffer :
        StringBuffer sb = new StringBuffer("Imran");
        System.out.println(sb);


        //Appending :
        sb.append(" Mohammed ");
        sb.append(25);
        System.out.println(sb);


        //String Reverse :
        sb.reverse();
        System.out.println(sb);


        //String print baseon Index :
        sb.setLength(5);
        System.out.println(sb);


        //Delete From one Index to Other index
        sb.delete(0, 7);
        System.out.println(sb);

    }
}