Java 面向对象程序设计 一:完整的代码,可以在java 编程工具中执行,经过本人编译通过;希望对于初学者有点帮助; 代码1: import java.awt.event.*; import java.awt.*; import javax.swing.JTextArea; import javax.swing.JLabel; import java.awt.GraphicsEnvironment; class FontFamilyNames{ String fontName[]; public String [] getFontName(){ GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment(); fontName=ge.getAvailableFontFamilyNames(); return fontName; } } class FontDialog extends Dialog implements ItemListener,ActionListener{ FontFamilyNames fontFamilyNames; //自己定义的类 int fontSize=38; String fontName; Choice fontNameList; JLabel label; Font font; Button yes,cancel; static int YES=1,NO=0; int state=-1; FontDialog(Frame f) { super(f); fontFamilyNames=new FontFamilyNames(); setModalityType(Dialog.DEFAULT_MODALITY_TYPE); //【代码1】 //对话框设置为有模式 yes=new Button("Yes"); cancel=new Button("cancel"); yes.addActionListener(this); cancel.addActionListener(this); label=new JLabel("hello,奥运",JLabel.CENTER); fontNameList=new Choice(); String name[]=fontFamilyNames.getFontName(); for(int k=0;k