JAVA上机1参考代码

1、上机实践1 数据结构实验1 扫雷小游戏1答案：【代码1】： new LinkedList();【代码2】： list.add(blockij) ; 【代码3】： list.size(); 【代码4】： (Block)list.get(randomIndex);【代码5】： list.remove(randomIndex); 2模板代码 Block.javapublic class Block String name; int number; boolean boo=false; public void setName(String name) =name; public vo

2、id setNumber(int n) number=n; public int getNumber() return number; public String getName() return name; boolean isMine() return boo; public void setIsMine(boolean boo) this.boo=boo; LayMines.javaimport java.util.LinkedList;public class LayMines public void layMinesForBlock(Block block,int mineCount

3、) int row=block.length; int column=block0.length; LinkedList list=【代码1】 /创建空链表list for(int i=0;irow;i+) for(int j=0;j0) int size=【代码3】 / list返回节点的个数 int randomIndex=(int)(Math.random()*size); Block b=【代码4】 / list返回索引为randomIndex的节点中的数据 b.setName(雷); b.setIsMine(true); 【代码5】 /list删除索引值为randomIndex的节点

4、 mineCount-; for(int i=0;irow;i+) for(int j=0;jcolumn;j+) if(blockij.isMine() else int mineNumber=0; for(int k=Math.max(i-1,0);k=Math.min(i+1,row-1);k+) for(int t=Math.max(j-1,0);t=Math.min(j+1,column-1);t+) if(blockkt.isMine() mineNumber+; blockij.setName(+mineNumber); blockij.setNumber(mineNumber)

5、; BlockView.javaimport java.awt.*;public class BlockView extends Panel Label blockName; Button blockCover; CardLayout card; BlockView() card=new CardLayout(); setLayout(card); blockName=new Label(); blockCover=new Button(); add(cover,blockCover); add(name,blockName); public void setName(String name)

6、 blockName.setText(name); public String getName() return blockName.getText(); public void seeBlockName() card.show(this,name); validate(); public void seeBlockCover() card.show(this,cover); validate(); public Button getBlockCover() return blockCover; MineFrame.javaimport java.awt.*;import java.awt.e

7、vent.*;public class MineFrame extends Frame implements ActionListener Button reStart; Block block; BlockView blockView; LayMines lay; int row=10,colum=12,mineCount=22; int colorSwitch=0; Panel pCenter,pNorth; public MineFrame() reStart=new Button(重新开始); pCenter=new Panel(); pNorth=new Panel(); pNort

8、h.setBackground(Color.cyan); block=new Blockrowcolum; for(int i=0;irow;i+) for(int j=0;jcolum;j+) blockij=new Block(); lay=new LayMines(); lay.layMinesForBlock(block,mineCount); blockView=new BlockViewrowcolum; pCenter.setLayout(new GridLayout(row,colum); for(int i=0;irow;i+) for(int j=0;jcolum;j+)

9、blockViewij=new BlockView(); blockViewij.setName(blockij.getName(); pCenter.add(blockViewij); blockViewij.getBlockCover().addActionListener(this); reStart.addActionListener(this); pNorth.add(reStart); add(pNorth,BorderLayout.NORTH); add(pCenter,BorderLayout.CENTER); setSize(200,232); setVisible(true

10、); addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); validate(); public void actionPerformed(ActionEvent e) Button source=(Button)e.getSource(); if(source!=reStart) int m=-1,n=-1; for(int i=0;irow;i+) for(int j=0;jcolum;j+) if(source=blockViewij.getBlo

11、ckCover() m=i; n=j; break; if(blockmn.isMine() for(int i=0;irow;i+) for(int j=0;j0) blockViewmn.seeBlockName(); else if(blockmn.getNumber()=0) for(int k=Math.max(m-1,0);k=Math.min(m+1,row-1);k+) for(int t=Math.max(n-1,0);t=Math.min(n+1,colum-1);t+) blockViewkt.seeBlockName(); if(source=reStart) for(

12、int i=0;irow;i+) for(int j=0;jcolum;j+) blockij.setIsMine(false); lay.layMinesForBlock(block,mineCount); for(int i=0;irow;i+) for(int j=0;jcolum;j+) blockViewij.setName(blockij.getName(); blockViewij.seeBlockCover(); blockViewij.getBlockCover().addActionListener(this); MineExample.javapublic class L

13、ayMineMainClass public static void main(String args) new MineFrame(); 实验2 排序与查找2模板代码 Book.javapublic class Book implements Comparable double price; String name; public void setPrice(double c) price=c; public double getPrice() return price; public void setName(String n) name=n; public String getName(

14、) return name; public int compareTo(Object object) Book bk=(Book)object; int difference=(int)(this.getPrice()-bk.getPrice()*10000); return difference; SortSearchMainClass.javaimport java.util.*;public class SortSearchMainClass public static void main(String args) LinkedList bookList=new LinkedList()

15、; String bookName=Java编程,XML基础,JSP基础,C+基础,J2ME编程,操作系统,数据库技术; double bookPrice=29,21,22,29,34,32,29; Book book=new BookbookName.length; for(int k=0;k=0) Book bk=(Book)bookList.get(m); System.out.println( +bk.getName()+(+bk.getPrice()+); bookList.remove(m); System.out.println(价钱相同); 实验3 使用TreeSet排序1答案

16、：【代码1】： new TreeSet();【代码2】： treeSet.add(stu); 【代码3】： tree.iterator(); 【代码4】： te.hasNext()【代码5】： (Student)te.next(); 2模板代码 Student.javapublic class Student implements Comparable String name; int score; Student(String name,int score) =name; this.score=score; public int compareTo(Object b) St

17、udent st=(Student)b; int m=this.score-st.score; if(m!=0) return m; else return 1; public int getScore() return score; public String getName() return name; StudentFrame.javaimport java.awt.*;import java.awt.event.*;import java.util.*;public class StudentFrame extends Frame implements ActionListener T

18、extArea showArea; TextField inputName,inputScore; Button button; TreeSet treeSet; StudentFrame() treeSet=【代码1】 /使用无参数构造方法创建treeSet showArea=new TextArea(); showArea.setFont(new Font(,Font.BOLD,20); inputName=new TextField(5); inputScore=new TextField(5); button=new Button(确定); button.addActionListen

19、er(this); Panel pNorth=new Panel(); pNorth.add(new Label(Name:); pNorth.add(inputName); pNorth.add(new Label(Score:); pNorth.add(inputScore); pNorth.add(button); add(pNorth,BorderLayout.NORTH); add(showArea,BorderLayout.CENTER); setSize(300,320); setVisible(true); addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(