graphical user interface in java...

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Java

[Q: (software: netbeans7.1) In this program if i want to see the output(as shown below) in a GUI design then how should i proceed.. should i use (from new file in category option we will get )javaSwing Form and JFrame form (in FileType) ??
Where can i get the exact gui design for beginners book, so that i can download and do my work properly....] plz help

public class CharacterinaStringAfterreplacement {// class name declaration
    public static void main(String[] args) {// main program start here//
        String s1="H.R System Finance Marketing";// string declaration (original)
        String s2="Finance";// string that is to be replaced
        String s3="Monitoring";// string that is to be assigned in result//
        String s4=s1.replace(s2,s3);// method for replacement of s1 (original)//
        int n=s1.length();//before replacement// length method for calculating the number of character in the replacement string// 
        int m=s4.length();//after replacement//length method for calculating the number of character original string// 
        System.out.println("1. *After* replacement of this string we are getting number of character like this below :)");
        System.out.println(s1.replace(s2, s3));
        
        
        System.out.println("number of character is ="+s4.length());
        System.out.println("2. *Before* replacement of the string we had the following number of character of this string :) ");
        System.out.println(s1);
        System.out.println("number of character is ="+s1.length());
    }
}

output:
run:
1. *After* replacement of this string we are getting number of character like this below :)
H.R System Monitoring Marketing
number of character is =31
2. *Before* replacement of the string we had the following number of character of this string :)
H.R System Finance Marketing
number of character is =28
BUILD SUCCESSFUL (total time: 0 seconds)