看我的这个程序,在直接用javac编译后用java运行可以,但是在jbuilder下却什么都显示不出来。(这是一本书的例子程序) package app; import javax.swing.*; public class InputTest { public InputTest() { } public static void main(String[] args) { String name=JOptionPane.showInputDialog("What is your name?"); String input=JOptionPane.showInputDialog("How old are you?"); int age=Integer.parseInt(input); System.out.println("Hello,"+name+".Next year,you'll be"+(age+1)); System.exit(0); } }
我发现我在jbuilder中把project的jdk设置为1.3.1-b24运行就正常,设置为1.4.0_01-b03就会在运行后什么都不显示,提示筐出现Process finished with exit code 128,请大家指点迷津。另外1.3.1和1.4.0的swing和awt类有很大不同吗?
现有MenuBar
然后Menu加到MenuBar
然后MenuBar赋值给JFrame
package app;
import javax.swing.*;
public class InputTest { public InputTest() {
}
public static void main(String[] args) {
String name=JOptionPane.showInputDialog("What is your name?");
String input=JOptionPane.showInputDialog("How old are you?");
int age=Integer.parseInt(input);
System.out.println("Hello,"+name+".Next year,you'll be"+(age+1));
System.exit(0);
}
}