// Compare efficiency of String and StringBuffer 
// classes for creating long strings.

import java.util.Scanner;
public class SSSBCompare
{
    public static void main(String[ ] argv)
    {
        int i;
        Scanner con = new Scanner(System.in);

        // Create a long String object:
        String s1 = "";
        for(i = 1; i <= 30000; i++)
            s1 += "*";
        System.out.println("String s1 created.");
        System.out.println("Press enter key to continue.");  

        con.nextLine( );
        StringBuffer sb = new StringBuffer( );
        for(i = 1; i <= 30000; i++)
            sb.append("*");
        String s2 = new String(sb);
        System.out.println("String s2 created.");
    }
}