java文本編輯器設置背景顏色功能（java文本編輯器）

大家好，我是小華，我來為大家解答以上問題。java文本編輯器設置背景顏色功能，java文本編輯器很多人還不知道，現在讓我們一起來看看吧！

1、import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.io.*; public class f1 extends Frame implements ActionListener { private MenuBar menubar=new MenuBar(); private Menu filemenu=new Menu("文件"); private Menu editmenu=new Menu("編輯"); private Menu formmenu=new Menu("格式"); private MenuItem[] itemf=new MenuItem[4]; private MenuItem[] iteme=new MenuItem[6]; private MenuItem[] items=new MenuItem[2]; private TextArea tf=new TextArea(); public int a=0,b=0,c=0,style=Font.PLAIN,size=15; public String s1="red:"+a+" "+"green:"+b+" "+"blue"+c, s2="宋體"; public String[] sz1={"10","16","24","30","32","36"}, sz2={"宋體","黑體","幼圓","隸書","行楷","Arial","Georgia"}, sz3={"粗體","傾斜","常規","粗斜"}; JDialog dialog=new JDialog(this,"字體",true); Container cp=dialog.getContentPane(); JLabel[] lb=new JLabel[8]; JLabel lb1=new JLabel(s1,JLabel.LEFT); JButton b1=new JButton("確定"), b2=new JButton("取消"); JComboBox jc1=new JComboBox(), jc2=new JComboBox(), jc3=new JComboBox(); JScrollBar jb1=new JScrollBar(JScrollBar.HORIZONTAL,10,5,0,260); JScrollBar jb2=new JScrollBar(JScrollBar.HORIZONTAL,10,5,0,260); JScrollBar jb3=new JScrollBar(JScrollBar.HORIZONTAL,10,5,0,260); 。

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