Find for the last word from JOPTIONPANE version in J2SE

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import javax.swing.JOptionPane;



public class Main {


public Main() {
}


public static void main(String[] args) {

String world1= "";
String world2= "";
String world3= "";
world1=JOptionPane.showInputDialog("Enter world 1");
world2=JOptionPane.showInputDialog("Enter world 2");
world3=JOptionPane.showInputDialog("Enter world 3");
String msg= world1 +" "+ world2 +" " + world3;
JOptionPane.showMessageDialog(null,msg);
}

}