Java小程序.doc

Java作业1：实验代码：类一：public class Student String 姓名;boolean 性别;String 学号;String 成绩;Student()性别=true;类二：import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.JOptionPane;class WindowText extends Frame implements ActionListener,ItemListenerstatic int i=0;int j,k;String a,b;Student stu=new Student20;Label name,xing,num,score;CheckboxGroup sex;TextField text1,text2,text3;Checkbox man,woman;Button pre,next,exit;WindowText (String s)super(s);Box box1,box2,box3,box4,box5,boxbase;box1=Box.createHorizontalBox();box2=Box.createHorizontalBox();box3=Box.createHorizontalBox();box4=Box.createHorizontalBox();box5=Box.createHorizontalBox();boxbase=Box.createVerticalBox();name=new Label(姓名);xing=new Label(性别);num=new Label(学号);score=new Label(成绩);text1=new TextField(10);text2=new TextField(10);text3=new TextField(10);sex=new CheckboxGroup();man=new Checkbox(男,true,sex);woman=new Checkbox(女,false,sex);pre=new Button(上一个);next=new Button(下一个);exit=new Button(退出);box1.add(name);box1.add(text1);box2.add(xing);box2.add(man);box2.add(woman);box3.add(num);box3.add(text2);box4.add(score);box4.add(text3);box5.add(pre);box5.add(next);box5.add(exit);boxbase.add(box1);boxbase.add(box2);boxbase.add(box3);boxbase.add(box4);boxbase.add(box5);setLayout(new FlowLayout();add(boxbase);pre.addActionListener(this);next.addActionListener(this); exit.addActionListener(this); man.addItemListener(this); woman.addItemListener(this);setBounds(400,200,170,200);setVisible(true);validate();public void itemStateChanged(ItemEvent e)if(sex.getSelectedCheckbox().getLabel()=man.getLabel()if(stui=null)stui=new Student();stui.性别=true;elseif(stui=null)stui=new Student();stui.性别=false;public void actionPerformed(ActionEvent e) if(e.getSource()=exit)System.exit(0);elseif(stui=null)stui=new Student();stui.姓名=text1.getText();stui.性别=man.getState();stui.学号=text2.getText();stui.成绩=text3.getText();if(e.getSource()=next)if(i=19)JOptionPane.showMessageDialog(this,这已经是最后一个数据了！,警告,JOptionPane.WARNING_MESSAGE);i-;/System.exit(0);i+; if(stui=null) stui=new Student();text1.setText(stui.姓名);text2.setText(stui.学号);text3.setText(stui.成绩);if(stui.性别)sex.setSelectedCheckbox(man);elsesex.setSelectedCheckbox(woman);if(e.getSource()=pre)if(i=0)JOptionPane.showMessageDialog(this,这已经是第一个数据了！,警告,JOptionPane.WARNING_MESSAGE);i+;/System.exit(0);-i;text1.setText(stui.姓名);text2.setText(stui.学号);text3.setText(stui.成绩);if(stui.性别)sex.setSelectedCheckbox(man);elsesex.setSelectedCheckbox(woman);public class testpublic static void main(String args)WindowText win=new WindowText(学生成绩);实验结果：Java作业2：实验代码：import java.awt.*;import java.awt.event.*;public class PacMan extends Canvasint x,y;PacMan(int x,int y)this.x=x;this.y=y;public class MyFrame extends Frame implements RunnablePacMan p;control police;Thread t=new Thread(this);MyFrame()police=new control(this);addWindowListener(police);p=new PacMan(0,50);t.start();public void run() / TODO Auto-generated method stubwhile(true)if(p.x+5445)p.x=p.x+5;repaint();try Thread.sleep(100); catch (InterruptedException e) / TODO Auto-generated catch blocke.printStackTrace();public void paint(Graphics g)g.fillArc(p.x, p.y, 50, 50, 25, 325);public class control extends WindowAdapterMyFrame f;public control(MyFrame f)this.f=f;public void windowClosing(