Java實(shí)驗(yàn)指導(dǎo)書

1、JAVA編程技術(shù)實(shí)驗(yàn)指導(dǎo)書14學(xué)時(shí)指導(dǎo)教師：張智實(shí)驗(yàn)1 Java基礎(chǔ)編程（4學(xué)時(shí)）實(shí)驗(yàn)?zāi)康?. 掌握設(shè)置、編寫與運(yùn)行Java程序的方法。2. 掌握J(rèn)ava基本數(shù)據(jù)類型、運(yùn)算符與表達(dá)式、數(shù)組的使用方法。3. 掌握J(rèn)ava程序順序結(jié)構(gòu)、選擇結(jié)構(gòu)、循環(huán)結(jié)構(gòu)的程序設(shè)計(jì)方法。實(shí)驗(yàn)任務(wù)1. 用循環(huán)語句編寫一個(gè)程序，算出1000之內(nèi)的全部素?cái)?shù)。2. 寫出符合如下要求的程序，并運(yùn)行。（1）聲明兩個(gè)長(zhǎng)度為10的double類型的數(shù)組A、B，并賦值。（2）用這兩個(gè)數(shù)組中的元素做加法運(yùn)算，然后將結(jié)果保存在數(shù)組C之中。（3）分別將這三個(gè)數(shù)組中的元素輸出。3. 使用遞歸方法輸出楊輝三角，數(shù)據(jù)要存放在二維數(shù)組中，要求輸出

2、10行。實(shí)驗(yàn)代碼：1. 用循環(huán)語句編寫一個(gè)程序，算出1000之內(nèi)的全部素?cái)?shù)。package shiyan1;public class sushu public static boolean isPrime(int num) for(int i = 2; i <= Math.sqrt(num); i+) if(num % i = 0) return false; return true; public static void main(String args)int i=0;for(int j = 2; j <= 1000; j+)if(sushu.isPrime(j) System

3、.out.print(j +" "); i+;if(i=10)System.out.println();i=0; 實(shí)驗(yàn)截圖：2. 寫出符合如下要求的程序，并運(yùn)行。（1）聲明兩個(gè)長(zhǎng)度為10的double類型的數(shù)組A、B，并賦值。（2）用這兩個(gè)數(shù)組中的元素做加法運(yùn)算，然后將結(jié)果保存在數(shù)組C之中。（3）分別將這三個(gè)數(shù)組中的元素輸出。實(shí)驗(yàn)代碼：package shiyan1;import java.util.Arrays;public class shuzuxiangjia public static void main(String args) / TODO Auto-gener

4、ated method stubdoublea= new double1,2,3,4,5,6,7,8,9,10;doubleb= new double1,2,3,4,5,6,7,8,9,10;doublec= new double10;for(int i=0;i<a.length;i+)ci=ai+bi;System.out.print(Arrays.toString(a);System.out.println();System.out.print(Arrays.toString(b);System.out.println();System.out.print(Arrays.toStri

5、ng(c);System.out.println();實(shí)驗(yàn)截圖：3. 使用遞歸方法輸出楊輝三角，數(shù)據(jù)要存放在二維數(shù)組中，要求輸出10行。實(shí)驗(yàn)代碼：package shiyan1;public class yanghuisanjiao public static int yang(int i,int j)if(i=j|j=0)return 1;return yang(i-1,j-1)+yang(i-1,j);public static void main(String args) / TODO Auto-generated method stubint n=10;int mat=new int1

6、0;for(int i=0;i<n;i+)mati=new inti+1;for(int i=0;i<mat.length;i+)for(int j=0;j<mati.length;j+)matij=yang(i,j);for(int i=0;i<mat.length;i+)for(int j=0;j<mati.length;j+)System.out.print(String.format("%4d",matij);System.out.println();實(shí)驗(yàn)截圖:實(shí)驗(yàn)2 Java面向?qū)ο缶幊蹋?學(xué)時(shí)）實(shí)驗(yàn)?zāi)康?. 掌握創(chuàng)建類和對(duì)象的方法。

7、2. 掌握構(gòu)造方法的執(zhí)行過程。3. 掌握J(rèn)ava繼承、多態(tài)和接口的編程方法。實(shí)驗(yàn)任務(wù)1. 創(chuàng)建Rodent(嚙齒動(dòng)物)抽象類，其子類有Mouse（老鼠）、Mole（鼴鼠）、Hamster（大頰鼠）。在父類中，提供對(duì)所有的Rodent通用的方法。在子類中，根據(jù)該子類特定的行為習(xí)性來覆蓋這些方法。例如老鼠屬雜食（omnivorous），鼴鼠主食昆蟲（insect），大頰鼠主食植物種子（plant seed）。創(chuàng)建一個(gè)Rodent數(shù)組，填充不同的數(shù)據(jù)類型，然后調(diào)用測(cè)試相關(guān)方法。2. 修改上述第1題中的Rodent類，使其成為一個(gè)接口。在接口中聲明方法eatWhichFood。定義各種嚙齒動(dòng)物類，并實(shí)

8、現(xiàn)這個(gè)接口。創(chuàng)建各種嚙齒動(dòng)物類的對(duì)象，觀察程序的輸出。實(shí)驗(yàn)代碼：1. 創(chuàng)建Rodent(嚙齒動(dòng)物)抽象類，其子類有Mouse（老鼠）、Mole（鼴鼠）、Hamster（大頰鼠）。在父類中，提供對(duì)所有的Rodent通用的方法。在子類中，根據(jù)該子類特定的行為習(xí)性來覆蓋這些方法。例如老鼠屬雜食（omnivorous），鼴鼠主食昆蟲（insect），大頰鼠主食植物種子（plant seed）。創(chuàng)建一個(gè)Rodent數(shù)組，填充不同的數(shù)據(jù)類型，然后調(diào)用測(cè)試相關(guān)方法。package shiyan2;public abstract class Rodent private String RodentName;R

9、odent(String s)RodentName =s;public abstract String getInformation();public String getName()return RodentName;class Mouse extends Rodent private String food;public Mouse(String F,String s)super(s);food=F;public String getInformation()return" Mouse類型的"+getName()+"的食物是"+food;class

10、Mole extends Rodentprivate String food;public Mole(String F,String s)super(s);food=F;public String getInformation()return "Mole類型的"+getName()+"的食物是"+food; class Hamster extends Rodentprivate String food;public Hamster(String F,String s)super(s);food=F;public String getInformation

11、()return" Hamster類型的"+ getName()+"的食物是"+food;package shiyan2;public class testRodent public static void main(String args) Rodentrodent=new Rodent3;rodent0=new Mouse ("omnivorous","xiaozhang");rodent1=new Mole("insect","xiaozhi");rodent2=new

12、 Hamster ("plant seed","xiaochen");for(Rodent e:rodent)System.out.println(e.getInformation();實(shí)驗(yàn)截圖：2. 修改上述第1題中的Rodent類，使其成為一個(gè)接口。在接口中聲明方法eatWhichFood。定義各種嚙齒動(dòng)物類，并實(shí)現(xiàn)這個(gè)接口。創(chuàng)建各種嚙齒動(dòng)物類的對(duì)象，觀察程序的輸出。實(shí)驗(yàn)代碼：package shiyan2_2;interface Rodent String eatWhichFood(); class Mouse implements Rodentp

13、rivate String name;private String food;public Mouse(String aname,String afood)=aname;this.food=afood;public String eatWhichFood()return"Mouse類型的"+ name+"'s food is"+food; class Mole implements Rodentprivate String name;private String food;public Mole(String aname,Str

14、ing afood)=aname;this.food=afood;public String eatWhichFood()return"Mole類型的"+ name+"'s food is"+food; class Hamster implements Rodentprivate String name;private String food;public Hamster(String aname,String afood)=aname;this.food=afood;public String eatWhic

15、hFood()return "Hamster類型的"+name+"'s food is"+food;package shiyan2_2;import shiyan2_2.Rodent;public class testRodent public static void main(String args) Rodent rodent=new Rodent3;rodent0=new Mouse("xiaoxu","omnivorous");rodent1=new Mole("xiaozhi"

16、,"insect");rodent2=new Hamster("xiaowei","plant seed"); /* Rodent a=new Mouse("xiaoxu","omnivorous"); Rodent b=new Mole("xiaozhi","insect"); Rodent c=new Hamster("xiaowei","plant seed");或者這一種也行*/ for(Rodent e:r

17、odent) System.out.println(e.eatWhichFood(); 實(shí)驗(yàn)截圖：實(shí)驗(yàn)3 Java Swing編程（4學(xué)時(shí)）實(shí)驗(yàn)?zāi)康?. 掌握J(rèn)ava Swing常用組件的編程方法。2. 理解Java事件。實(shí)驗(yàn)任務(wù)1. 設(shè)計(jì)一個(gè)JFrame窗口，輸入學(xué)生的基本信息，包括學(xué)號(hào)、姓名、學(xué)院、專業(yè)（下拉列表）、班級(jí)、籍貫（級(jí)聯(lián)）、性別（單選按鈕）、愛好（多選）、備注等，在界面中包括提交和重填按鈕。提交后彈出窗口顯示學(xué)生信息。要求盡量使用不同的Swing組件。2. 實(shí)現(xiàn)一個(gè)計(jì)算器，界面包括10個(gè)數(shù)字按鈕（0至9）和四個(gè)運(yùn)算符（加減乘除）按鈕，以及等號(hào)和清空兩個(gè)輔助按鈕，還有一個(gè)用于顯示

18、輸入輸出的文本框。設(shè)計(jì)一個(gè)JFrame窗口，輸入學(xué)生的基本信息，包括學(xué)號(hào)、姓名、學(xué)院、專業(yè)（下拉列表）、班級(jí)、籍貫（級(jí)聯(lián)）、性別（單選按鈕）、愛好（多選）、備注等，在界面中包括提交和重填按鈕。提交后彈出窗口顯示學(xué)生信息。要求盡量使用不同的Swing組件。實(shí)驗(yàn)代碼：package shiyan3_1;import java.awt.BorderLayout;import java.awt.EventQueue;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.border.EmptyBorder;impo

19、rt javax.swing.ButtonGroup;import javax.swing.GroupLayout;import javax.swing.GroupLayout.Alignment;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.LayoutStyle.ComponentPlacement;import javax.swing.JTextField;import javax.swing.SwingConstants;import java.awt.Font;import ja

20、vax.swing.JComboBox;import javax.swing.DefaultComboBoxModel;import javax.swing.JRadioButton;import java.awt.event.ItemListener;import java.awt.event.ItemEvent;import javax.swing.JCheckBox;import javax.swing.JButton;import java.awt.event.ActionListener;import java.awt.event.ActionEvent;public class J

21、FrameDemo_01 extends JFrame private JPanel cP1;private JTextField TF1;private JTextField TF2;private JTextField TF3;String s1=""String s2=""String s3=""String s4=""String s5=""String s6=""String s7=""/* * Launch the application. *

22、/public static void main(String args) EventQueue.invokeLater(new Runnable() public void run() try JFrameDemo_01 frame = new JFrameDemo_01();frame.setVisible(true); catch (Exception e) e.printStackTrace(););/* * Create the frame. */public JFrameDemo_01() setTitle("u5B66u751Fu7BA1u7406u7CFBu7EDFr

23、n");setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setBounds(100, 100, 676, 485);cP1 = new JPanel();cP1.setBorder(new EmptyBorder(5, 5, 5, 5);setContentPane(cP1);JLabel LB1 = new JLabel("u5B66u53F7");LB1.setFont(new Font("宋體", Font.PLAIN, 18);JLabel LB2 = new JLabel("u5

24、9D3u540D");LB2.setFont(new Font("宋體", Font.PLAIN, 18);TF1 = new JTextField();TF1.setHorizontalAlignment(SwingConstants.LEFT);TF1.setColumns(10);TF2 = new JTextField();TF2.setHorizontalAlignment(SwingConstants.LEFT);TF2.setColumns(10);JLabel LB3 = new JLabel("u5B66u9662rn");L

25、B3.setFont(new Font("宋體", Font.PLAIN, 18);JLabel LB4 = new JLabel("u4E13u4E1A");LB4.setFont(new Font("宋體", Font.PLAIN, 18);JLabel LB5 = new JLabel("u73EDu7EA7rn");LB5.setFont(new Font("宋體", Font.PLAIN, 18);JComboBox cbB1 = new JComboBox();cbB1.setMod

26、el(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u5B66u9662", "u8BA1u7B97u673Au5B66u9662", "u6750u51B6u5B66u9662", "u57CEu5EFAu5B66u9662", "u5916u56FDu8BEDu5B66u9662", "u4FE1u606Fu5B66u9662", "u8D44u73AFu5B66u

27、9662", "u7BA1u7406u5B66u9662", "u7406u5B66u9662", "u533Bu5B66u9662");JComboBox cbB2 = new JComboBox();cbB2.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u4E13u4E1A", "u4FE1u606Fu5B89u5168", "u8F6Fu4EF6u5DE

28、5u7A0B", "u7F51u7EDCu5DE5u7A0B", "u8BA1u7B97u673Au79D1u5B66u4E0Eu6280u672F");JComboBox cbB3 = new JComboBox();cbB3.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u73EDu7EA7", "XA1301", "XA1302", "R1",

29、"R2", "W1", "W2", "W3", "DB1", "DB2", "J1", "J2", "J3", "J4", "J5", "DZ1", "DZ2", "DZ3");JLabel LB6 = new JLabel("u6027u522Brn");LB6.setFont(new Font(

30、"宋體", Font.PLAIN, 18);JRadioButton rB1 = new JRadioButton("u7537rn");rB1.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) if(rB1.isSelected()s1=rB1.getText();elses1+="");rB1.setFont(new Font("宋體", Font.PLAIN, 12);JRadioButton r

31、B2 = new JRadioButton("u5973");rB2.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) if(rB2.isSelected()s2=rB2.getText();elses2="");rB2.setFont(new Font("宋體", Font.PLAIN, 12);ButtonGroup btn1=new ButtonGroup();btn1.add(rB1);btn1.add(rB2);

32、JLabel JB7 = new JLabel("u7C4Du8D2F");JB7.setFont(new Font("宋體", Font.PLAIN, 18);final JComboBox comboBox_2 = new JComboBox();comboBox_2.setFont(new Font("宋體", Font.PLAIN, 12);final JComboBox comboBox_1 = new JComboBox();comboBox_1.addItemListener(new ItemListener() pub

33、lic void itemStateChanged(ItemEvent e) int index=comboBox_1.getSelectedIndex();switch(index)case 0:comboBox_2.removeAllItems();comboBox_2.addItem("請(qǐng)選擇您所在的城市");break;case 1:comboBox_2.removeAllItems();comboBox_2.removeAllItems();comboBox_2.addItem("武漢");comboBox_2.addItem("黃石

34、");comboBox_2.addItem("黃岡");comboBox_2.addItem("咸寧");comboBox_2.addItem("天門");comboBox_2.addItem("鄂州");comboBox_2.addItem("襄樊");comboBox_2.addItem("荊州");break;case 2:comboBox_2.removeAllItems();comboBox_2.addItem("長(zhǎng)沙");comboB

35、ox_2.addItem("岳陽");comboBox_2.addItem("衡陽");comboBox_2.addItem("永州");comboBox_2.addItem("郴州");comboBox_2.addItem("邵陽");comboBox_2.addItem("婁底");comboBox_2.addItem("常德");comboBox_2.addItem("湘潭");break;case 3:comboBox_2.re

36、moveAllItems();comboBox_2.addItem("南昌");comboBox_2.addItem("上饒");comboBox_2.addItem("景德鎮(zhèn)");comboBox_2.addItem("九江");comboBox_2.addItem("新余");break;case 4:comboBox_2.removeAllItems();comboBox_2.addItem("杭州");comboBox_2.addItem("寧波"

37、);comboBox_2.addItem("溫州");comboBox_2.addItem("紹興");comboBox_2.addItem("湖州");comboBox_2.addItem("金華");break;case 5:comboBox_2.removeAllItems();comboBox_2.addItem("濟(jì)南");comboBox_2.addItem("青島");comboBox_2.addItem("淄博");comboBox_2.a

38、ddItem("煙臺(tái)");comboBox_2.addItem("威海");comboBox_2.addItem("棗莊");comboBox_2.addItem("濰坊");comboBox_2.addItem("濟(jì)寧");break;case 6:comboBox_2.removeAllItems();comboBox_2.addItem("廣州");comboBox_2.addItem("深圳");comboBox_2.addItem("佛

39、山");comboBox_2.addItem("東莞");comboBox_2.addItem("中山");comboBox_2.addItem("珠海");comboBox_2.addItem("汕頭");comboBox_2.addItem("潮州");break;case 7:comboBox_2.removeAllItems();comboBox_2.addItem("南京");comboBox_2.addItem("徐州");combo

40、Box_2.addItem("無錫");comboBox_2.addItem("常州");comboBox_2.addItem("蘇州");comboBox_2.addItem("南通");comboBox_2.addItem("連云港");comboBox_2.addItem("鎮(zhèn)江");break;);comboBox_1.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u886

41、8u9009u62E9u7701u4EFD", "u6E56u5317", "u6E56u5357", "u6C5Fu897F", "u6D59u6C5F", "u5C71u4E1C", "u5E7Fu4E1C", "u6C5Fu82CF");comboBox_1.setFont(new Font("宋體", Font.PLAIN, 12);JLabel LB8 = new JLabel("u7701rn"

42、);LB8.setFont(new Font("宋體", Font.PLAIN, 18);JLabel LB9 = new JLabel("u7231u597Drn");LB9.setFont(new Font("宋體", Font.PLAIN, 18);JCheckBox CB1 = new JCheckBox("u8DB3u7403rn");CB1.setFont(new Font("宋體", Font.PLAIN, 12);CB1.addActionListener(new ActionL

43、istener() public void actionPerformed(ActionEvent e) if(CB1.isSelected()s3=CB1.getText();elses3="");JCheckBox CB2 = new JCheckBox("u7FBDu6BDBu7403");CB2.setFont(new Font("宋體", Font.PLAIN, 12);CB2.addActionListener(new ActionListener() public void actionPerformed(ActionE

44、vent e) if(CB2.isSelected()s4=CB2.getText();elses4="");JCheckBox CB3 = new JCheckBox("u7BEEu7403");CB3.setFont(new Font("宋體", Font.PLAIN, 12);CB3.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) if(CB3.isSelected()s5=CB3.getText();elses5

45、="");JCheckBox CB4 = new JCheckBox("u7F51u7403");CB4.setFont(new Font("宋體", Font.PLAIN, 12);CB4.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) if(CB4.isSelected()s6=CB4.getText();elses6="");JCheckBox CB5 = new JCheckBox("

46、;u5531u6B4C");CB5.setFont(new Font("宋體", Font.PLAIN, 12);CB5.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) if(CB5.isSelected()s7=CB5.getText();elses7="");/*grouplayout 支持兩種組串行組SequentialGroup()按順序一個(gè)接一個(gè)的放置其子元素 并行組ParallelGroup()能夠以四種方式對(duì)齊其子元

47、素 * setHorizontalGroup（）是指按照水平來確定分級(jí)別setVerticalGroup（）是按照垂直來確定的，他們的級(jí)別是按照group去設(shè)置優(yōu)先級(jí)別的，級(jí)別越高就顯示越上面 多個(gè)component添加到parallelgroup然后多個(gè)parallelgroup添加到sequentialgroup中去然后在設(shè)置到grouplayout中 */JLabel LB10 = new JLabel("u5907u6CE8");LB10.setFont(new Font("宋體", Font.PLAIN, 18);TF3 = new JText

48、Field();TF3.setColumns(10);JButton But1 = new JButton("u63D0u4EA4");But1.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) String ID,username,banji,beizhu,xueyuan,zhuanye,shengfen,city; ID=TF1.getText();username=TF2.getText();xueyuan=new String(String) cbB1.

49、getSelectedItem();/*這一句話十分值得注意！我覺得很有道理的樣子*/banji=new String(String) cbB3.getSelectedItem();zhuanye=new String(String) cbB2.getSelectedItem();shengfen=new String(String) comboBox_1.getSelectedItem();city=new String(String) comboBox_2.getSelectedItem();beizhu=TF3.getText();JOptionPane.showMessageDialo

50、g(null, "您輸入的信息是 "+"n"+"學(xué)號(hào)： "+ID+ "n"+"用戶名: " +username+"n"+"學(xué)院: " +xueyuan+"n"+"專業(yè): " +zhuanye+"n"+"班級(jí): " +banji+"n"+"籍貫 "+ shengfen+city+"n"+"性別: "+

51、 s1+s2+"n"+"愛好 ："+s3+" "+s4+"n"+" "+s5+"n"+" "+s6+"n"+" "+s7+"n"+"備注 ："+beizhu););But1.setFont(new Font("宋體", Font.PLAIN, 18);JButton But2 = new JButton("u91CDu7F6E");But

52、2.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) TF1.setText("");TF2.setText("");TF3.setText("");CB1.setSelected(false);CB2.setSelected(false);CB3.setSelected(false);CB4.setSelected(false);CB5.setSelected(false);rB1.setSelected(false);

53、rB2.setSelected(false);cbB1.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u5B66u9662", "u8BA1u7B97u673Au5B66u9662", "u6750u51B6u5B66u9662", "u57CEu5EFAu5B66u9662", "u5916u56FDu8BEDu5B66u9662", "u4FE1u606Fu5B66u

54、9662", "u8D44u73AFu5B66u9662", "u7BA1u7406u5B66u9662", "u7406u5B66u9662", "u533Bu5B66u9662");cbB2.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u4E13u4E1A", "u4FE1u606Fu5B89u5168", "u8F6Fu4EF6u5D

55、E5u7A0B", "u7F51u7EDCu5DE5u7A0B", "u8BA1u7B97u673Au79D1u5B66u4E0Eu6280u672F");cbB3.setModel(new DefaultComboBoxModel(new String "u8BF7u4E0Bu62C9u5217u8868u9009u62E9u73EDu7EA7", "XA1301", "XA1302", "R1", "R2", "W1", "W2", "W3", "DB1", "DB2", "J1", "J2", "J3", "J4", "J5", "DZ1", "DZ2", "DZ3");comboBox_1.setSelected