I have a question for JButton object

Question

JButton myButton = new JButton("a");
if (myButton.getText()=="a"){
myButton.setText("b");
When event take place Text's value will become "b" on the myButton, but try again myButton.getText() method get hold of value as has of is "a".
FtpFrame.java
import javax.swing.*;
import java.awt.*;
public class FtpFrame extends JFrame
JButton myButton = new JButton(" a ");
public static void main(String args[])
FtpFrame window = new FtpFrame("NextJoin Ftp For Java");
window.setVisible(true);
public FtpFrame(String title)
getContentPane().add(myButton,BorderLayout.NORTH);
myButton.addMouseListener(new FtpHandler(this,myButton.getText()));
public void settrantxt(String text)
myButton.setText(text);
FtpHandler.java
import javax.swing.*;
import java.awt.event.*;
class FtpHandler extends MouseAdapter
private FtpFrame ftpFrame;
private String msg = "";
public FtpHandler(FtpFrame ftpFrame,String msg)
this.ftpFrame = ftpFrame;
this.msg = msg;
public void mouseClicked(MouseEvent e)
if (1==1)
endif:{
if(msg == " a ")
ftpFrame.settrantxt(" b ");
break endif;
if(msg == " b ")
ftpFrame.settrantxt(" c ");
break endif;
if(msg == " c ")
ftpFrame.settrantxt(" a ");
break endif;
public void mousePressed(MouseEvent e)
public void mouseReleased(MouseEvent e)
public void mouseEntered(MouseEvent e)
public void mouseExited(MouseEvent e)
Thank you very much for your help!!!

Answer 1

I have change my code.
if (1==1)
endif:{
if(msg.equals(" a "))
ftpFrame.settrantxt(" b ");
break endif;
if(msg.equals(" b "))
ftpFrame.settrantxt(" c ");
break endif;
if(msg.equals(" c "))
ftpFrame.settrantxt(" a ");
break endif;
but question sa old of.
the text of button is being set to " b " but can't set to " c ".