201771010123汪慧和《面向对象程序设计Java》第十八周实验总结

一、总复习纲要

1. Java语言特点与开发环境配置（第1章、第2章）

2. Java基本程序结构（第3章）

3. Java面向对象程序结构（第4章、第5章、第6章）

4. 类、类间关系、类图

5. Java JDK预定义类/接口及其API（String-第3章、 Arrays-第3章、Files-第3章62页、LocalDate-第4章、 Object-第5章、对象包装器-第5章、Comparator-第6章、 异常类-第7章、ArrayList-第5+8章、第9章、第10-12章、 第14章）     

— Java异常处理编程模型   

—  Java GUI编程模型

6. Java并发程序设计（第14章）

7. Java应用程序部署（第13章） 

 二、实验部分

1、实验目的与要求

(1) 综合掌握java基本程序结构； 

(2) 综合掌握java面向对象程序设计特点；

(3) 综合掌握java GUI 程序设计结构；

(4) 综合掌握java多线程编程模型；

(5) 综合编程练习。

2、实验内容和步骤

任务1：填写课程课后调查问卷，网址：https://www.wjx.cn/jq/33108969.aspx。

任务2：综合编程练习

练习1：设计一个用户信息采集程序，要求如下：

（1） 用户信息输入界面如下图所示:

 

（1）用户点击提交按钮时，用户输入信息显示控制台界面；

（2）用户点击重置按钮后，清空用户已输入信息；

（3）点击窗口关闭，程序退出。

package test1;

import java.awt.EventQueue;

import javax.swing.JFrame;

public class Mian {
    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            DemoJFrame page = new DemoJFrame();
        });
    }
}

package test1;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.Window;

public class WinCenter {
    public static void center(Window win){
        Toolkit tkit = Toolkit.getDefaultToolkit();//获取默认工具包
        Dimension sSize = tkit.getScreenSize();//获取屏幕的大小
        Dimension wSize = win.getSize();
        if(wSize.height > sSize.height){
            wSize.height = sSize.height;
        }
        if(wSize.width > sSize.width){
            wSize.width = sSize.width;
        }
        win.setLocation((sSize.width - wSize.width)/ 2, (sSize.height - wSize.height)/ 2);//将组件移到新的位置
    }
}

package test1;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.LayoutManager;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Timer;
import java.util.TimerTask;

import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.ButtonModel;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

public class DemoJFrame extends JFrame {
    private JPanel jPanel1;
    private JPanel jPanel2;
    private JPanel jPanel3;
    private JPanel jPanel4;
    private JTextField fieldname;
    private JComboBox comboBox;
    private JTextField fieldadress;
    private ButtonGroup bg;
    private JRadioButton nan;
    private JRadioButton nv;
    private JCheckBox sing;
    private JCheckBox dance;
    private JCheckBox draw;

    public DemoJFrame() {
        // 设置窗口大小
        this.setSize(800, 400);
        // 设置可见性
        this.setVisible(true);
        // 设置标题
        this.setTitle("Student Detail");
        // 设置关闭操作
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        // 设置窗口居中
        WinCenter.center(this);
        // 创建四个面板对象
        jPanel1 = new JPanel();
        setJPanel1(jPanel1);
        jPanel2 = new JPanel();
        setJPanel2(jPanel2);
        jPanel3 = new JPanel();
        setJPanel3(jPanel3);
        jPanel4 = new JPanel();
        setJPanel4(jPanel4);
        // 设置容器为流式布局
        FlowLayout flowLayout = new FlowLayout();
        this.setLayout(flowLayout);
        // 将四个面板添加到容器中
        this.add(jPanel1);
        this.add(jPanel2);
        this.add(jPanel3);
        this.add(jPanel4);

    }

    /*
     * 设置面板一
     */
    private void setJPanel1(JPanel jPanel) {
        jPanel.setPreferredSize(new Dimension(700, 45));//设置此组件的首选大小
        // 给面板的布局设置为网格布局 一行4列
        jPanel.setLayout(new GridLayout(1, 4));
        JLabel name = new JLabel("Name:");
        name.setSize(100, 50);
        fieldname = new JTextField("");
        fieldname.setSize(80, 20);
        JLabel study = new JLabel("Qualification:");
        comboBox = new JComboBox();
        comboBox.addItem("Graduate");
        comboBox.addItem("senior");
        comboBox.addItem("Undergraduate");
        jPanel.add(name);
        jPanel.add(fieldname);
        jPanel.add(study);
        jPanel.add(comboBox);

    }

    /*
     * 设置面板二
     */
    private void setJPanel2(JPanel jPanel) {
        jPanel.setPreferredSize(new Dimension(700, 50));
        // 给面板的布局设置为网格布局 一行4列
        jPanel.setLayout(new GridLayout(1, 4));
        JLabel name = new JLabel("Address:");
        fieldadress = new JTextField();
        fieldadress.setPreferredSize(new Dimension(150, 50));
        JLabel study = new JLabel("Hobby:");
        JPanel selectBox = new JPanel();
        selectBox.setBorder(BorderFactory.createTitledBorder(""));
        selectBox.setLayout(new GridLayout(3, 1));
        sing = new JCheckBox("Singing");
        dance = new JCheckBox("Dancing");
        draw = new JCheckBox("Reading");
        selectBox.add(sing);
        selectBox.add(dance);
        selectBox.add(draw);
        jPanel.add(name);
        jPanel.add(fieldadress);
        jPanel.add(study);
        jPanel.add(selectBox);
    }

    /*
     * 设置面板三
     */
    private void setJPanel3(JPanel jPanel) {
        jPanel.setPreferredSize(new Dimension(700, 150));
        FlowLayout flowLayout = new FlowLayout(FlowLayout.LEFT);
        jPanel.setLayout(flowLayout);
        JLabel sex = new JLabel("Sex:");
        JPanel selectBox = new JPanel();
        selectBox.setBorder(BorderFactory.createTitledBorder(""));
        selectBox.setLayout(new GridLayout(2, 1));
        bg = new ButtonGroup();
        nan = new JRadioButton("Male");
        nv = new JRadioButton("Female");
        bg.add(nan);
        bg.add(nv);
        selectBox.add(nan);
        selectBox.add(nv);
        jPanel.add(sex);
        jPanel.add(selectBox);

    }

    /*
     * 设置面板四
     */
    private void setJPanel4(JPanel jPanel) {
        // TODO 自动生成的方法存根
        jPanel.setPreferredSize(new Dimension(700, 150));
        FlowLayout flowLayout = new FlowLayout(FlowLayout.CENTER, 50, 10);
        jPanel.setLayout(flowLayout);
        jPanel.setLayout(flowLayout);
        JButton sublite = new JButton("Validate");
        JButton reset = new JButton("Reset");
        sublite.addActionListener((e) -> valiData());
        reset.addActionListener((e) -> Reset());
        jPanel.add(sublite);
        jPanel.add(reset);
    }

    /*
     * 提交数据
     */
    private void valiData() {
        // 拿到数据
        String name = fieldname.getText().toString().trim();
        String xueli = comboBox.getSelectedItem().toString().trim();
        String address = fieldadress.getText().toString().trim();
        System.out.println(name);
        System.out.println(xueli);
        String hobbystring="";
        if (sing.isSelected()) {
            hobbystring+="Singing   ";
        }
        if (dance.isSelected()) {
            hobbystring+="Dancing   ";
        }
        if (draw.isSelected()) {
            hobbystring+="Reading  ";
        }
        System.out.println(address);
        if (nan.isSelected()) {
            System.out.println("Male");
        }
        if (nv.isSelected()) {
            System.out.println("Female");
        }
        System.out.println(hobbystring);
    }

    /*
     * 重置
     */
    private void Reset() {
        fieldadress.setText(null);
        fieldname.setText(null);
        comboBox.setSelectedIndex(0);
        sing.setSelected(false);
        dance.setSelected(false);
        draw.setSelected(false);
        bg.clearSelection();
    }
}

实验结果如下图所示：

练习2：采用GUI界面设计以下程序：

l 编制一个程序，将身份证号.txt 中的信息读入到内存中；

l 按姓名字典序输出人员信息；

l 查询最大年龄的人员信息；

l 查询最小年龄人员信息；

l 输入你的年龄，查询身份证号.txt中年龄与你最近人的姓名、身份证号、年龄、性别和出生地；

l 查询人员中是否有你的同乡。

l 输入身份证信息，查询所提供身份证号的人员信息，要求输入一个身份证数字时，查询界面就显示满足查询条件的查询结果，且随着输入的数字的增多，查询匹配的范围逐渐缩小。

package 练习1;

import java.awt.*;
import javax.swing.*;

public class ButtonTest {
    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            JFrame frame = new Main();
            frame.setTitle("身份证");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setVisible(true);
        });
    }
}

package 练习1;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class Main extends JFrame {
    private static ArrayList<Student> studentlist;
    private static ArrayList<Student> list;
    private JPanel panel;
    private JPanel buttonPanel;
    private static final int DEFAULT_WITH = 600;
    private static final int DEFAULT_HEIGHT = 300;

    public Main() {
        studentlist = new ArrayList<>();
        Scanner scanner = new Scanner(System.in);
        File file = new File("C:\Users\ASUS\Desktop\身份证号.txt");
        try {
            FileInputStream fis = new FileInputStream(file);
            BufferedReader in = new BufferedReader(new InputStreamReader(fis));
            String temp = null;
            while ((temp = in.readLine()) != null) {

                Scanner linescanner = new Scanner(temp);

                linescanner.useDelimiter(" ");
                String name = linescanner.next();
                String number = linescanner.next();
                String sex = linescanner.next();
                String age = linescanner.next();
                String province = linescanner.nextLine();
                Student student = new Student();
                student.setName(name);
                student.setnumber(number);
                student.setsex(sex);
                int a = Integer.parseInt(age);
                student.setage(a);
                student.setprovince(province);
                studentlist.add(student);

            }
        } catch (FileNotFoundException e) {
            System.out.println("学生信息文件找不到");
            e.printStackTrace();
        } catch (IOException e) {
            System.out.println("学生信息文件读取错误");
            e.printStackTrace();
        }
        panel = new JPanel();
        panel.setLayout(new BorderLayout());
        JTextArea jt = new JTextArea();
        panel.add(jt);
        add(panel, BorderLayout.NORTH);
        buttonPanel = new JPanel();
        buttonPanel.setLayout(new GridLayout(1, 7));
        JButton jButton = new JButton("字典排序");
        JButton jButton1 = new JButton("年龄最大和年龄最小");
        JLabel lab = new JLabel("猜猜你的老乡");
        JTextField jt1 = new JTextField();
        JLabel lab1 = new JLabel("找找同龄人（年龄相近）：");
        JTextField jt2 = new JTextField();
        JLabel lab2 = new JLabel("输入你的身份证号码：");
        JTextField jt3 = new JTextField();
        JButton jButton2 = new JButton("退出");
        jButton.setBounds(110, 90, 60, 30);
        jButton1.setBounds(110, 90, 60, 30);
        jt1.setBounds(110, 90, 60, 30);
        jt2.setBounds(110, 90, 60, 30);
        jt3.setBounds(110, 90, 60, 30);
        jButton2.setBounds(110, 90, 60, 30);
        jButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                Collections.sort(studentlist);
                jt.setText(studentlist.toString());
            }
        });
        jButton1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int max = 0, min = 100;
                int j, k1 = 0, k2 = 0;
                for (int i = 1; i < studentlist.size(); i++) {
                    j = studentlist.get(i).getage();
                    if (j > max) {
                        max = j;
                        k1 = i;
                    }
                    if (j < min) {
                        min = j;
                        k2 = i;
                    }

                }
                jt.setText("年龄最大：" + studentlist.get(k1) + "年龄最小：" + studentlist.get(k2));
            }
        });
        jButton2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                dispose();
                System.exit(0);
            }
        });
        jt1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String find = jt1.getText();
                String text="";
                String place = find.substring(0, 3);
                for (int i = 0; i < studentlist.size(); i++) {
                    if (studentlist.get(i).getprovince().substring(1, 4).equals(place)) {
                        text+="
"+studentlist.get(i);
                        jt.setText("老乡：" + text);
                    }
                }
            }
        });
        jt2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String yourage = jt2.getText();
                int a = Integer.parseInt(yourage);
                int near = agenear(a);
                int value = a - studentlist.get(near).getage();
                jt.setText("年龄相近：" + studentlist.get(near));
            }
        });
        jt3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                list = new ArrayList<>();
                Collections.sort(studentlist);
                String key = jt3.getText();
                for (int i = 1; i < studentlist.size(); i++) {
                    if (studentlist.get(i).getnumber().contains(key)) {                        
                        list.add(studentlist.get(i));                        
                        jt.setText("emmm！你可能是：
" + list);
                        //System.out.println("可能的人：" + studentlist.get(i));
                        //jt.setText("可能的人：" + studentlist.get(i));
                    }                    
                }
            }
        });
        buttonPanel.add(jButton);
        buttonPanel.add(jButton1);
        buttonPanel.add(lab);
        buttonPanel.add(jt1);
        buttonPanel.add(lab1);
        buttonPanel.add(jt2);
        buttonPanel.add(lab2);
        buttonPanel.add(jt3);
        buttonPanel.add(jButton2);
        add(buttonPanel, BorderLayout.SOUTH);
        setSize(DEFAULT_WITH, DEFAULT_HEIGHT);
    }

    public static int agenear(int age) {
        int min = 53, value = 0, k = 0;
        for (int i = 0; i < studentlist.size(); i++) {
            value = studentlist.get(i).getage() - age;
            if (value < 0)
                value = -value;
            if (value < min) {
                min = value;
                k = i;
            }
        }
        return k;
    }

}

package 练习1;

public class Student implements Comparable<Student> {

    private String name;
    private String number ;
    private String sex ;
    private int age;
    private String province;
   
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getnumber() {
        return number;
    }
    public void setnumber(String number) {
        this.number = number;
    }
    public String getsex() {
        return sex ;
    }
    public void setsex(String sex ) {
        this.sex =sex ;
    }
    public int getage() {

        return age;
        }
        public void setage(int age) {
        this.age= age;
        }

    public String getprovince() {
        return province;
    }
    public void setprovince(String province) {
        this.province=province ;
    }

    public int compareTo(Student o) {
       return this.name.compareTo(o.getName());
    }

    public String toString() {
        return  name+"	"+sex+"	"+age+"	"+number+"	"+province+"
";
    }    
}

实验结果如下图所示：

练习3：采用GUI界面设计以下程序

l 编写一个计算器类，可以完成加、减、乘、除的操作

l 利用计算机类，设计一个小学生100以内数的四则运算练习程序，由计算机随机产生10道加减乘除练习题，学生输入答案，由程序检查答案是否正确，每道题正确计10分，错误不计分，10道题测试结束后给出测试总分；

l 将程序中测试练习题及学生答题结果输出到文件，文件名为test.txt。

package 实验2;

import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Toolkit;

import javax.swing.JFrame;

public class New {

     public static void main (String args[])
        {
             Toolkit t=Toolkit.getDefaultToolkit();
            Dimension s=t.getScreenSize(); 
            EventQueue.invokeLater(() -> {
                JFrame frame = new Demo();
                frame.setBounds(0, 0,(int)s.getWidth()/2,(int)s.getHeight()/2);
                frame.setTitle("第四组");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
             });        
        }
 
}

package 实验2;

import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Collections;
import java.util.Scanner;

import javax.swing.*;

import java.math.*;


public class Demo extends JFrame {
    
    private String[] c=new String[10];
    private String[] c1=new String[10];
    private int[] list=new int[10];
    int i=0,i1=0,sum = 0;
    private PrintWriter out = null;
    private JTextArea text,text1;
    private int counter;
    
    public Demo()  {
        JPanel Panel = new JPanel();
        Panel.setLayout(null);
        JLabel JLabel1=new JLabel("");
        JLabel1.setBounds(500, 800, 400, 30);
        JLabel1.setFont(new Font("Courier",Font.PLAIN,35));
        JButton Button = new JButton("生成题目");
        Button.setBounds(50,150,150,50);
        Button.setFont(new Font("Courier",Font.PLAIN,20)); 
        Button.addActionListener(new Action());
        JButton Button2 = new JButton("确定答案");
        Button2.setBounds(300,150,150,50);
        Button2.setFont(new Font("Courier",Font.PLAIN,20));
        Button2.addActionListener(new Action1());
        JButton Button3 = new JButton("读出文件");
        Button3.setBounds(500,150,150,50);
        Button3.setFont(new Font("Courier",Font.PLAIN,20));
        Button3.addActionListener(new Action2());
         text=new JTextArea(30,80);text.setBounds(30, 50, 200, 50);
         text.setFont(new Font("Courier",Font.PLAIN,35));
         text1=new JTextArea(30,80);
         text1.setBounds(270, 50, 200, 50);
         text1.setFont(new Font("Courier",Font.PLAIN,35));

         Panel.add(text);
         Panel.add(text1);

         Panel.add(Button);
         Panel.add(Button2);
         Panel.add(Button3);
         Panel.add(JLabel1);
         add(Panel);
         
         
         


           
                  
    }
    
    private class Action implements ActionListener
    {
    public void actionPerformed(ActionEvent event)
        {        
        text1.setText("0");
        if(i<10) {
        
        int a = 1+(int)(Math.random() * 99);
        int b = 1+(int)(Math.random() * 99);
        int m= (int) Math.round(Math.random() * 3);
      switch(m)
      {
      case 0:
          while(a<b){  
              b = (int) Math.round(Math.random() * 100);
              a = (int) Math.round(Math.random() * 100); 
          }  
          c[i]=(i+":"+a+"/"+b+"=");
          list[i]=Math.floorDiv(a, b);
          text.setText(i+":"+a+"/"+b+"=");
          i++;   
          break; 
      case 1:
          c[i]=(i+":"+a+"*"+b+"=");
                list[i]=Math.multiplyExact(a, b);
                text.setText(i+":"+a+"*"+b+"=");        
           i++;
          break;
       case 2:
          c[i]=(i+":"+a+"+"+b+"=");
                list[i]=Math.addExact(a, b);
          text.setText(i+":"+a+"+"+b+"=");
          i++;
          break ;
      case 3:
          while(a<=b){  
              b = (int) Math.round(Math.random() * 100);
              a = (int) Math.round(Math.random() * 100); 
          }    
          c[i]=(i+":"+a+"-"+b+"=");
          text.setText(i+":"+a+"-"+b+"=");
          list[i]=Math.subtractExact(a, b);
          i++;
          break ;
          }
        }
      }
    }      
    private class Action1 implements ActionListener
    {
        public void actionPerformed(ActionEvent event)
        {    
            if(i<10) {
                text.setText(null);        
                String daan=text1.getText().toString().trim();
                int a = Integer.parseInt(daan);
                if(text1.getText()!="") {
                    if(list[i1]==a) sum+=10;
                }        
                c1[i1]=daan;
                i1++; 
            }
        }
    }      
    

    private class Action2 implements ActionListener
    {
        public void actionPerformed(ActionEvent event)
            {
         
            try {
                out = new PrintWriter("text.txt");
            } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
                e.printStackTrace();
            }
            for(int counter=0;counter<10;counter++)
            {
                out.println(c[counter]+c1[counter]);
            }
            out.println("成绩"+sum);
            out.close();

            }

    }   
}

任务3：本学期课程已结束，请汇总《面向对象程序设计课程学习进度条》的数据，统计个人专业能力提升的数据。并从学习内容、学习方法、学习心得几个方面进行课程学习总结，也希望你对课程的不足提出建议和意见。

     学习Java是我学计算机的第二门计算机语言，但感觉停留在知识边缘地带，都没深入到它的精华部分，对它的精华部分知之甚少，这学期虽然付出了一些时间，但是感觉还是很少，没有把东西吃透，有时候老师布置的任务也完成的不怎么好。一学期过去了，有收获，有喜悦，遇到了老师和助教学长，感谢老师和学长的悉心指导。让我对Java这门课也很感兴趣，老师在最后也给我们几个以后学习JAVA的方向，我也会在假期时间和闲暇之余继续对JAVA学习，进行深入学习。

    这学期虽然也敲了一些代码，但感觉自己的编程水平和动手能力还是很差，面对实际问题的时候感觉解决起来很吃力，有时候解决出来了，但没有达到预期的效果，在这方面还是要努力。

　　老师在这周带我们梳理了整本书的内容，老师说我们学的这本书只是为深入学习JAVA打下了基础，并希望我们可以趁着现在去身如不的学习。老师进行了查缺补漏，让我对这学期所学知识有了大致轮廓，对知识脉络也有了更加深入地了解。

        上了大学之后自主学习尤为重要，老师也在不断地强调这一点的重要性。所以要让自己的自控能力强一些，少玩手机，多敲代码，只有代码积累到一定量，才会有一个质的飞跃。我想在闲暇时间一定多加练习，不把JAVA这门语言只是作为了解，而是希望可以掌握它并运用在实际生活，更好的去解决这些问题。

       我觉得老师这种教学方式很好，顺应趋势，我们学习JAVA也很感兴趣。老师讲了代码之后再去讲理论，让我对代码有了更深刻的理解。

        最后衷心的感谢老师和助教学长对我们的指导和这一学期以来对我们的付出。