java.awt.eventqueue_JAVA AWT-EventQueue-0 空指针

packagegui;importjava.awt.*;importjava.awt.event.ItemEvent;importjava.awt.event.ItemListener;importjava.awt.event.WindowAdapter;publicclassResumeFrame{/***@paramargs*/pub...

package gui;

import java.awt.*;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.awt.event.WindowAdapter;

public class ResumeFrame {

/**

* @param args

*/

public static void main(String[] args) {

Resume rs= new Resume();

rs.Creatjianli();

}

}

class Resume {

private Frame f;

private Choice ch;

private Panel pan;

private TextArea [] textArry ;

public void Creatjianli(){

f= new Frame("简历");

f.addWindowListener(new WindowHandler());

pan =new Panel();

ch= new Choice();

ch.addItemListener(new choicelieter());

TextArea [] textArry={new TextArea(" "),new TextArea("objective"),

new TextArea("question"),new TextArea("workingExperience"),

new TextArea("education"),new TextArea("certification")};

ch.add("---------------");

ch.add("objective");

ch.add("question");

ch.add("workingExperience");

ch.add("education");

ch.add("certification");

f.setBounds(300, 100, 300, 350);

pan.setSize(300, 300);

pan.setLayout(new CardLayout());

for(int i=0; i

pan.add(textArry[i],textArry[i].getText());

}

f.add(ch,BorderLayout.NORTH);

f.add(pan);

f.setVisible(true);

}

class WindowHandler extends WindowAdapter {

public void windowClosing(java.awt.event.WindowEvent windowEvent) {

f.setVisible(false);

f.dispose();

System.exit(0);

}

}

class choicelieter implements ItemListener{

public void itemStateChanged(ItemEvent e) {

for(int i=0;i

textArry[i].setVisible(false);

System.out.println(textArry[i].getText());

}

textArry[ch.getSelectedIndex()].setVisible(true);

提示我说这里是空指针，我不知道怎么错了

for(int i=0;i

textArry[i].setVisible(false);

System.out.println(textArry[i].getText());

}

textArry[ch.getSelectedIndex()].setVisible(true);

}

}

}

展开