FlowLayout布局管理器的使用效果的例子。//Example2ofChapter5importjava.awt.*;importjavax.swing.*;publicclassGUIDemo2{publicstaticvoidmain(String[]args){JFramef=newJFrame("FlowLayout布局管理器演示");JPanelcontentpane=newJPanel();JButtonbred=newJButton("red");JButtonbgreen=newJButton("green");JButtonbblue=newJButton("blue");JButtonbcyan=newJButton("cyan");JButtonbmagenta=newJButton("magenta");JButtonbyellow=newJButton("yellow");bred.setBackground(Color.red);bgreen.setBackground(Color.green);bblue.setBackground(Color.blue);bcyan.setBackground(Color.cyan);bmagenta.setBackground(Color.magenta);byellosetBackground(Color.yellow);contentpane.setLayout(newFlowLayout(FlowLayout.LEFT));f.setContentPane(contentpane);contentpane.add(bred);contentpane.add(bgreen);contentpane.add(bblue);contentpane.add(bcyan);contentpane.add(bmagenta);contentpane.add(byellow);f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);f.setSize(600,100);f.setVisible(true);}}---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---BorderLayout布局管理器的使用效果的例子。//Example3ofChapter5importjava.awt.*;importjavax.swing.*;publicclassGUIDemo3extendsJFrame{privateJButtonb[];Stringnames[]={"北侧","南侧","东侧","西侧","中间"};privateBorderLayoutlayout;publicGUIDemo3(Strings){super(s);layout=newBorderLayout(5,5);//设定间距为5Containercontainer=getContentPane();//获取中间容器container.setLayout(layout);//对中间容器设定管理器b=newJButton[names.length];for(inti=0;i