Write a StringBuilder append() program

Program

import java.util.Scanner;
public class Main
{
    public static void main(String args[])
    {
        String s1;
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter String : ");
        s1=sc.nextLine();
        StringBuilder sb1=new StringBuilder(s1);
        System.out.println(sb1.append("Kumar"));
    }
}

Enter String :Sateesh
SateeshKumar

Strings Handling In Java

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Write a StringBuilder append() program