Why the Image dose not show?

Question

the program can run, however, the image just dose not show on the container, I've mad ....
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.io.*;
public class gui extends JFrame{
private stack s=new stack();
private queue q1=new queue();
private queue q2=new queue();
private JRadioButton rbutton1,rbutton2,rbutton3,rbutton4,rbutton5;
private JTextArea point1,point2,infoarea;
private JButton ok ,exit;
int state=0;
private JLabel b=new JLabel(new ImageIcon("abc.jpg"));
public gui() {    
creatUserInterface();
private void creatUserInterface(){
Container contentPane=getContentPane();
contentPane.setLayout(null);
b.setBounds(0, 0,127,127);
contentPane.add(b);
rbutton1=new JRadioButton();
rbutton1.setBounds(45, 270, 20,20);
rbutton1.setBackground(Color.decode("170800"));
contentPane.add(rbutton1);
rbutton2=new JRadioButton();
rbutton2.setBounds(145, 270, 20,20);
rbutton2.setBackground(Color.decode("170800"));
contentPane.add(rbutton2);
rbutton3=new JRadioButton();
rbutton3.setBounds(245, 270, 20,20);
rbutton3.setBackground(Color.decode("170800"));
contentPane.add(rbutton3);
rbutton4=new JRadioButton();
rbutton4.setBounds(345, 270, 20,20);
rbutton4.setBackground(Color.decode("170800"));
contentPane.add(rbutton4);
rbutton5=new JRadioButton();
rbutton5.setBounds(445, 270, 20,20);
rbutton5.setBackground(Color.decode("170800"));
contentPane.add(rbutton5);
point1=new JTextArea();
point1.setBounds(585, 20, 43, 20);
contentPane.add(point1);
point2=new JTextArea();
point2.setBounds(585, 205, 43, 20);
contentPane.add(point2);
infoarea=new JTextArea();
infoarea.setBounds(30, 300, 450, 100);
infoarea.setText("click \"ok \" to start game, click \"exit \" to exit");
contentPane.add(infoarea);
ok=new JButton();
ok.setBounds(520, 255, 75, 60);
ok.setText("OK");
contentPane.add(ok);
ok.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent event){          
okButton(event);
exit=new JButton();
exit.setBounds(520, 340, 75, 65);
exit.setText("EXIT");
contentPane.add(exit);
exit.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent event){          
exitButton(event);
contentPane.setBackground(Color.decode("170800"));
setTitle("Change it or Not");
setSize(640, 480);
setVisible(true);
Message was edited by:
explosivealan

Answer 1

because the code is very long and i just cut the code i think is not related, i post all the code here, should i post the code of stack , queue and others class?My objective is to show all cardLabel as jpg, abc is to test only.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.io.*;
public class gui extends JFrame{
    private stack s=new stack();                                      // a stack with 52 node to store 52 cards
    private queue q1=new queue();                                     // a queue to hold the computer player's cards
    private queue q2=new queue();                                     // a queue to hold the human player's cards
    private cardoperation op=new cardoperation();                    // contain all card operation that require to run the game       
    private handcompare hc=new handcompare();                        // pass two queue to handcompare, if the first queue defealt the second queue, return true, otherwise reture false
    private JLabel cardlabel1,cardlabel2,cardlabel3,cardlabel4,cardlabel5,cardlabel6,cardlabel7,cardlabel8,cardlabel9,cardlabel10;     // label to show the cards
    private JLabel computerpoint,playerpoint,inputbet,dollarsign;        
    private JRadioButton rbutton1,rbutton2,rbutton3,rbutton4,rbutton5;   //radio button for selecting which card to be changed
    private JTextField bet;                                               //Textfield to input the amount of bet
    private JTextArea point1,point2,infoarea;                             //textarea to show player's point and futher infomation;
    private JButton ok ,exit;                                             //button to confirm or to exit game
    int compoint=10000,playpoint=10000;                                    // integer to store the player's current point;'
    int betamount;                                                         // integer to store the current bet amount
    int state=0;                                                           // store the state of the program
    private JLabel b=new JLabel(new ImageIcon("abc.jpg"));
    public gui() {    
        super();
        creatUserInterface();
    private void creatUserInterface(){
    Container contentPane=getContentPane();   
    contentPane.setLayout(null);
    cardlabel1=new JLabel();
    cardlabel1.setBounds(50, 15, 50, 30);
    cardlabel1.setText("");
    contentPane.add(cardlabel1);
    b.setBounds(0, 0,127,127);
    contentPane.add(b);
    cardlabel2=new JLabel();
    cardlabel2.setBounds(150, 15, 50, 30);
    cardlabel2.setText("");
    contentPane.add(cardlabel2);
    cardlabel3=new JLabel();
    cardlabel3.setBounds(250, 15, 50, 30);
    cardlabel3.setText("");
    contentPane.add(cardlabel3);
    cardlabel4=new JLabel();
    cardlabel4.setBounds(350, 15, 50, 30);
    cardlabel4.setText("");
    contentPane.add(cardlabel4);
    cardlabel5=new JLabel();
    cardlabel5.setBounds(450, 15, 50, 30);
    cardlabel5.setText("");
    contentPane.add(cardlabel5);
    cardlabel6=new JLabel();
    cardlabel6.setBounds(50, 200, 50, 30);
    cardlabel6.setText("");
    contentPane.add(cardlabel6);
    cardlabel7=new JLabel();
    cardlabel7.setBounds(150, 200, 50, 30);
    cardlabel7.setText("");
    contentPane.add(cardlabel7);
    cardlabel8=new JLabel();
    cardlabel8.setBounds(250, 200, 50, 30);
    cardlabel8.setText("");
    contentPane.add(cardlabel8);
    cardlabel9=new JLabel();
    cardlabel9.setBounds(350, 200, 50, 30);
    cardlabel9.setText("");
    contentPane.add(cardlabel9);
    cardlabel10=new JLabel();
    cardlabel10.setBounds(450, 200, 50, 30);
    cardlabel10.setText("");
    contentPane.add(cardlabel10);
    rbutton1=new JRadioButton();
    rbutton1.setBounds(45, 270, 20,20);
    rbutton1.setBackground(Color.decode("170800"));
    contentPane.add(rbutton1);
    rbutton2=new JRadioButton();
    rbutton2.setBounds(145, 270, 20,20);
    rbutton2.setBackground(Color.decode("170800"));
    contentPane.add(rbutton2);
    rbutton3=new JRadioButton();
    rbutton3.setBounds(245, 270, 20,20);
    rbutton3.setBackground(Color.decode("170800"));
    contentPane.add(rbutton3);
    rbutton4=new JRadioButton();
    rbutton4.setBounds(345, 270, 20,20);
    rbutton4.setBackground(Color.decode("170800"));
    contentPane.add(rbutton4);
    rbutton5=new JRadioButton();
    rbutton5.setBounds(445, 270, 20,20);
    rbutton5.setBackground(Color.decode("170800"));
    contentPane.add(rbutton5);
    computerpoint=new JLabel();
    computerpoint.setBounds(500, 15, 80, 30);
    computerpoint.setText("computer has");
    contentPane.add(computerpoint);
    playerpoint=new JLabel();
    playerpoint.setBounds(500, 200, 80, 30);
    playerpoint.setText("you have");
    contentPane.add(playerpoint);
    inputbet=new JLabel();
    inputbet.setBounds(500, 90, 130, 20);
    inputbet.setText("please input bet here");
    contentPane.add(inputbet);   
    dollarsign=new JLabel();
    dollarsign.setBounds(510, 115, 20, 20);
    dollarsign.setText("$");
    contentPane.add(dollarsign);   
    point1=new JTextArea();
    point1.setBounds(585, 20, 43, 20);   
    contentPane.add(point1);  
    point2=new JTextArea();
    point2.setBounds(585, 205, 43, 20);
    contentPane.add(point2);  
    infoarea=new JTextArea();
    infoarea.setBounds(30, 300, 450, 100);
    infoarea.setText("click \"ok \" to start game, click \"exit \" to exit");
    contentPane.add(infoarea);
    bet=new JTextField();
    bet.setBounds(530, 115, 60, 20);
    contentPane.add(bet);  
    ok=new JButton();
    ok.setBounds(520, 255, 75, 60);
    ok.setText("OK");
    contentPane.add(ok);
    ok.addActionListener(
                new ActionListener(){
           public void actionPerformed(ActionEvent event){          
             okButton(event);
    exit=new JButton();
    exit.setBounds(520, 340, 75, 65);
    exit.setText("EXIT");
    contentPane.add(exit);
    exit.addActionListener(
                new ActionListener(){
           public void actionPerformed(ActionEvent event){          
             exitButton(event);
    contentPane.setBackground(Color.decode("170800"));
    setTitle("Change it or Not");
    setSize(640, 480);
    setVisible(true);
    private void displayLabel(){
        int a[]=new int[5];
        int b[]=new int[5];
        String a1[]=new String[5];
        String b1[]=new String[5];
        a=q1.copy_queue();
        b=q2.copy_queue();
        int i;
            for(i=0;i<5;i++){
        if(a%100==13) a1[i]="A";
else if(a[i]%100>0&&a[i]%100<10)a1[i]=String.valueOf(a[i]%100+1);
else if(a[i]%100==10)a1[i]="J";
else if(a[i]%100==11)a1[i]="Q";
else if(a[i]%100==12)a1[i]="K";
for(i=0;i<5;i++){
if(b[i]%100==13) b1[i]="A";
else if(b[i]%100>0&&b[i]%100<10)b1[i]=String.valueOf(b[i]%100+1);
else if(b[i]%100==10)b1[i]="J";
else if(b[i]%100==11)b1[i]="Q";
else if(b[i]%100==12)b1[i]="K";
cardlabel1.setText(a1[0]);
if(a[0]/100==4)
cardlabel1.setForeground(Color.PINK);
else if(a[0]/100==3)
cardlabel1.setForeground(Color.BLUE);
else if(a[0]/100==2)
cardlabel1.setForeground(Color.RED);
else if(a[0]/100==1)
cardlabel1.setForeground(Color.BLACK);
cardlabel2.setText(a1[1]);
if(a[1]/100==4)
cardlabel2.setForeground(Color.PINK);
else if(a[1]/100==3)
cardlabel2.setForeground(Color.BLUE);
else if(a[1]/100==2)
cardlabel2.setForeground(Color.RED);
else if(a[1]/100==1)
cardlabel2.setForeground(Color.BLACK);
cardlabel3.setText(a1[2]);
if(a[2]/100==4)
cardlabel3.setForeground(Color.PINK);
else if(a[2]/100==3)
cardlabel3.setForeground(Color.BLUE);
else if(a[2]/100==2)
cardlabel3.setForeground(Color.RED);
else if(a[2]/100==1)
cardlabel3.setForeground(Color.BLACK);
cardlabel4.setText(a1[3]);
if(a[3]/100==4)
cardlabel4.setForeground(Color.PINK);
else if(a[3]/100==3)
cardlabel4.setForeground(Color.BLUE);
else if(a[3]/100==2)
cardlabel4.setForeground(Color.RED);
else if(a[3]/100==1)
cardlabel4.setForeground(Color.BLACK);
cardlabel5.setText(a1[4]);
if(a[4]/100==4)
cardlabel5.setForeground(Color.PINK);
else if(a[4]/100==3)
cardlabel5.setForeground(Color.BLUE);
else if(a[4]/100==2)
cardlabel5.setForeground(Color.RED);
else if(a[4]/100==1)
cardlabel5.setForeground(Color.BLACK);
cardlabel6.setText(b1[0]);
if(b[0]/100==4)
cardlabel6.setForeground(Color.PINK);
else if(b[0]/100==3)
cardlabel6.setForeground(Color.BLUE);
else if(b[0]/100==2)
cardlabel6.setForeground(Color.RED);
else if(b[0]/100==1)
cardlabel6.setForeground(Color.BLACK);
cardlabel7.setText(b1[1]);
if(b[1]/100==4)
cardlabel7.setForeground(Color.PINK);
else if(b[1]/100==3)
cardlabel7.setForeground(Color.BLUE);
else if(b[1]/100==2)
cardlabel7.setForeground(Color.RED);
else if(b[1]/100==1)
cardlabel7.setForeground(Color.BLACK);
cardlabel8.setText(b1[2]);
if(b[2]/100==4)
cardlabel8.setForeground(Color.PINK);
else if(b[2]/100==3)
cardlabel8.setForeground(Color.BLUE);
else if(b[2]/100==2)
cardlabel8.setForeground(Color.RED);
else if(b[2]/100==1)
cardlabel8.setForeground(Color.BLACK);
cardlabel9.setText(b1[3]);
if(b[3]/100==4)
cardlabel9.setForeground(Color.PINK);
else if(b[3]/100==3)
cardlabel9.setForeground(Color.BLUE);
else if(b[3]/100==2)
cardlabel9.setForeground(Color.RED);
else if(b[3]/100==1)
cardlabel9.setForeground(Color.BLACK);
cardlabel10.setText(b1[4]);
if(b[4]/100==4)
cardlabel10.setForeground(Color.PINK);
else if(b[4]/100==3)
cardlabel10.setForeground(Color.BLUE);
else if(b[4]/100==2)
cardlabel10.setForeground(Color.RED);
else if(b[4]/100==1)
cardlabel10.setForeground(Color.BLACK);
point1.setText("$"+String.valueOf(compoint)); //show the value back if player has change it accdentially
point2.setText("$"+String.valueOf(playpoint));
if(betamount==0)
bet.setText("");
else
bet.setText(String.valueOf(betamount));
private void displayHalf(){
int b[]=new int[5];
String b1[]=new String[5];
b=q2.copy_queue();
int i;
for(i=0;i<5;i++){
if(b[i]%100==13) b1[i]="A";
else if(b[i]%100>0&&b[i]%100<10)b1[i]=String.valueOf(b[i]%100+1);
else if(b[i]%100==10)b1[i]="J";
else if(b[i]%100==11)b1[i]="Q";
else if(b[i]%100==12)b1[i]="K";
cardlabel6.setText(b1[0]);
if(b[0]/100==4)
cardlabel6.setForeground(Color.PINK);
else if(b[0]/100==3)
cardlabel6.setForeground(Color.BLUE);
else if(b[0]/100==2)
cardlabel6.setForeground(Color.RED);
else if(b[0]/100==1)
cardlabel6.setForeground(Color.BLACK);
cardlabel7.setText(b1[1]);
if(b[1]/100==4)
cardlabel7.setForeground(Color.PINK);
else if(b[1]/100==3)
cardlabel7.setForeground(Color.BLUE);
else if(b[1]/100==2)
cardlabel7.setForeground(Color.RED);
else if(b[1]/100==1)
cardlabel7.setForeground(Color.BLACK);
cardlabel8.setText(b1[2]);
if(b[2]/100==4)
cardlabel8.setForeground(Color.PINK);
else if(b[2]/100==3)
cardlabel8.setForeground(Color.BLUE);
else if(b[2]/100==2)
cardlabel8.setForeground(Color.RED);
else if(b[2]/100==1)
cardlabel8.setForeground(Color.BLACK);
cardlabel9.setText(b1[3]);
if(b[3]/100==4)
cardlabel9.setForeground(Color.PINK);
else if(b[3]/100==3)
cardlabel9.setForeground(Color.BLUE);
else if(b[3]/100==2)
cardlabel9.setForeground(Color.RED);
else if(b[3]/100==1)
cardlabel9.setForeground(Color.BLACK);
cardlabel10.setText(b1[4]);
if(b[4]/100==4)
cardlabel10.setForeground(Color.PINK);
else if(b[4]/100==3)
cardlabel10.setForeground(Color.BLUE);
else if(b[4]/100==2)
cardlabel10.setForeground(Color.RED);
else if(b[4]/100==1)
cardlabel10.setForeground(Color.BLACK);
cardlabel1.setText("");
cardlabel2.setText("");
cardlabel3.setText("");
cardlabel4.setText("");
cardlabel5.setText("");
point1.setText("$"+String.valueOf(compoint)); //show the value back if player has change it accdentially
point2.setText("$"+String.valueOf(playpoint));
if(betamount==0)
bet.setText("");
else
bet.setText(String.valueOf(betamount));
private void okButton(ActionEvent event){
switch(state){
case(0):{
op.reshuffle(s);
op.CardDistribe(s, q1, q2);
displayHalf();
infoarea.setText("please input your bet and click \"ok \" \n\nSpace is Black Heart is Red \nClub is Bleu Diamond is Pink");
break;
case(1):{  
try{
betamount=Integer.parseInt(bet.getText());
catch(NumberFormatException e){
infoarea.setText("invaild input, please try again");
state=state-1;
if(state==1)
if(betamount<=0||betamount>playpoint)
{infoarea.setText("please input between 1 & "+String.valueOf(playpoint));
                       state=state-1;}
else
{infoarea.setText("please choose the cards to be changed \n\nSpace is Black    Heart is Red \nClub is Bleu         Diamond is Pink"); 
                       displayLabel();}
break;
case(2):{           
infoarea.setText("choosed card has been changed");
int a[]=new int[5];
for(int i=0;i<5;i++)
a[i]=0;
if(rbutton1.isSelected())
a[0]=1;
if(rbutton2.isSelected())
a[1]=1;
if(rbutton3.isSelected())
a[2]=1;
if(rbutton4.isSelected())
a[3]=1;
if(rbutton5.isSelected())
a[4]=1;
op.computerChangeCard(s, q1, hc);
op.playerChangeCard(s, q2, a);
displayLabel();
break;
case(3):{          
if(hc.compare(q1, q2)){
infoarea.setText("you loss\n\nclick \"ok \" to continue");
playpoint=playpoint-betamount;
compoint=compoint+betamount;
else{
infoarea.setText("you win\n\nclick \"ok \" to continue");
playpoint=playpoint+betamount;
compoint=compoint-betamount;
betamount=0;
displayLabel();
if(playpoint<=0)
infoarea.setText("you have loss the game, press \"ok \" or \"exit \" to end game");
else if(compoint<=0)
infoarea.setText("you have win the game, press \"ok \" or \"exit \" to end game");
else{
state=-1;
break;
case(4):{
exit(); // player's point <=0, so force to exit'
default:
rbutton1.setSelected(false);
rbutton2.setSelected(false);
rbutton3.setSelected(false);
rbutton4.setSelected(false);
rbutton5.setSelected(false);
state=state+1;
private void exitButton(ActionEvent event){
exit();
private void exit(){
System.exit(0);