第十八週做業

姓名:周強java

學號:201771010141編程

第十八週做業多線程

1、實驗目的與要求併發

(1) 綜合掌握java基本程序結構;dom

(2) 綜合掌握java面向對象程序設計特色;編程語言

(3) 綜合掌握java GUI 程序設計結構;學習

(4) 綜合掌握java多線程編程模型;測試

(5) 綜合編程練習。this

2、實驗內容和步驟spa

任務1:填寫課程課後調查問卷,網址:https://www.wjx.cn/jq/33108969.aspx。

任務2:綜合編程練習

練習1:設計一個用戶信息採集程序,要求以下:

(1)  用戶信息輸入界面以下圖所示:

 

(1)用戶點擊提交按鈕時,用戶輸入信息顯示控制檯界面;

(2)用戶點擊重置按鈕後,清空用戶已輸入信息;

(3)點擊窗口關閉,程序退出。

Main:

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import java.awt.EventQueue;

import javax.swing.JFrame;

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

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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(); Dimension sSize = tkit.getScreenSize(); 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); } }
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Demo:

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import java.awt.*;
import java.awt.event.*; import javax.swing.*; import javax.swing.border.*; public class demo extends JFrame { public demo() { JPanel panel1 = new JPanel(); panel1.setPreferredSize(new Dimension(700, 45)); panel1.setLayout(new GridLayout(1, 4)); JLabel label1 = new JLabel("Name:"); JTextField j1 = new JTextField(""); JLabel label2 = new JLabel("Qualification:"); JComboBox<Object> j2 = new JComboBox<>(); j2.addItem("Graduate"); j2.addItem("Not Graduate"); panel1.add(label1); panel1.add(j1); panel1.add(label2); panel1.add(j2); JPanel panel2 = new JPanel(); panel2.setPreferredSize(new Dimension(700, 50)); panel2.setLayout(new GridLayout(1, 4)); JLabel label3 = new JLabel("Address:"); JTextArea j3 = new JTextArea(); JLabel label4 = new JLabel("Hobby:"); JPanel p = new JPanel(); p.setLayout(new GridLayout(3, 1)); p.setBorder(BorderFactory.createLineBorder(null)); JCheckBox c1 = new JCheckBox("Reading"); JCheckBox c2 = new JCheckBox("Singing"); JCheckBox c3 = new JCheckBox("Dancing"); p.add(c1); p.add(c2); p.add(c3); panel2.add(label3); panel2.add(j3); panel2.add(label4); panel2.add(p); JPanel panel3 = new JPanel(); panel3.setPreferredSize(new Dimension(700, 150)); FlowLayout flowLayout1 = new FlowLayout(FlowLayout.LEFT, 20, 40); panel3.setLayout(flowLayout1); JLabel label5 = new JLabel("Sex:"); JPanel p1 = new JPanel(); p1.setLayout(new GridLayout(2,1)); p1.setBorder(BorderFactory.createLineBorder(null)); ButtonGroup bu = new ButtonGroup(); JRadioButton jr1 = new JRadioButton("Male"); JRadioButton jr2 = new JRadioButton("Female"); bu.add(jr1); bu.add(jr2); p1.add(jr1); p1.add(jr2); panel3.add(label5); panel3.add(p1); add(panel1); add(panel2); add(panel3); JPanel panel4 = new JPanel(); panel4.setPreferredSize(new Dimension(700, 150)); JButton b1 = new JButton("Validate"); panel4.add(b1); JButton b2 = new JButton("Reset"); panel4.add(b2); add(panel4); FlowLayout flowLayout = new FlowLayout(); this.setLayout(flowLayout); this.setTitle("Students Detail"); this.setBounds(200, 200, 800, 400); this.setVisible(true); this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); b1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // TODO 自動生成的方法存根 String xueli = j2.getSelectedItem().toString(); System.out.println("Name:" + j1.getText()); System.out.println("Qualification:" + xueli); String hobbystring = "Hobby:"; if (c1.isSelected()) { hobbystring += "Reading"; } if (c2.isSelected()) { hobbystring += "Singing"; } if (c3.isSelected()) { hobbystring += "Dancing"; } System.out.println("Address:" + j3.getText()); if (jr1.isSelected()) { System.out.println("Sex:Male"); } if (jr2.isSelected()) { System.out.println("Sex:Female"); } System.out.println(hobbystring); } }); b2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // TODO 自動生成的方法存根 j1.setText(null); j3.setText(null); j2.setSelectedIndex(0); c1.setSelected(false); c2.setSelected(false); c3.setSelected(false); bu.clearSelection(); } }); } public static void main(String args[]) { new demo(); } }
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練習2:採用GUI界面設計如下程序:

l  編制一個程序,將身份證號.txt 中的信息讀入到內存中;

l  按姓名字典序輸出人員信息;

l  查詢最大年齡的人員信息;

l  查詢最小年齡人員信息;

l  輸入你的年齡,查詢身份證號.txt中年齡與你最近人的姓名、身份證號、年齡、性別和出生地;

l  查詢人員中是否有你的同鄉。

l  輸入身份證信息,查詢所提供身份證號的人員信息,要求輸入一個身份證數字時,查詢界面就顯示知足查詢條件的查詢結果,且隨着輸入的數字的增多,查詢匹配的範圍逐漸縮小。

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package demo1;

import java.awt.*; import javax.swing.*; public class ButtonTest { public static void main(String[] args) { EventQueue.invokeLater(() -> { JFrame frame = new Main(); frame.setTitle("身份證"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); }); } }
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package demo1;

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("F:\\身份證號.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("學生信息文件找不到"); e.printStackTrace(); } catch (IOException e) { System.out.println("學生信息文件讀取錯誤"); 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("名單"); JButton jButton1 = new JButton("年齡"); JLabel lab = new JLabel("省份"); JTextField jt1 = new JTextField(); JLabel lab1 = new JLabel("年齡:"); JTextField jt2 = new JTextField(); JLabel lab2 = new JLabel("輸入你的身份證號碼:"); 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("年齡最大:" + studentlist.get(k1) + "年齡最小:" + 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 += "\n" + studentlist.get(i); jt.setText("老鄉:" + 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("年齡相近:" + studentlist.get(near)); } }); jt3.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent 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(「\n" + list);  } } } }); 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; } }
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package demo1;

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) { // int a = Integer.parseInt(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+"\t"+sex+"\t"+age+"\t"+number+"\t"+province+"\n"; } }
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練習3:採用GUI界面設計如下程序

l  編寫一個計算器類,能夠完成加、減、乘、除的操做

l  利用計算機類,設計一個小學生100之內數的四則運算練習程序,由計算機隨機產生10道加減乘除練習題,學生輸入答案,由程序檢查答案是否正確,每道題正確計10分,錯誤不計分,10道題測試結束後給出測試總分;

l  將程序中測試練習題及學生答題結果輸出到文件,文件名爲test.txt。

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package T;

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 D extends JFrame { private String[] c=new String[10]; private String[] c1=new String[11]; 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 D() { 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("生成題目"); Button.setBounds(50,150,150,50); Button.setFont(new Font("Courier",Font.PLAIN,20)); Button.addActionListener(new Action()); JButton Button2 = new JButton("肯定答案"); Button2.setBounds(300,150,150,50); Button2.setFont(new Font("Courier",Font.PLAIN,20)); Button2.addActionListener(new Action1()); JButton Button3 = new JButton("讀出文件"); 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<11) { 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 1: while(a<b){ b = (int) Math.round(Math.random() * 100);a = (int) Math.round(Math.random() * 100); } c[i]=((i+1)+":"+a+"/"+b+"="); list[(i+1)]=Math.floorDiv(a, b); text.setText((i+1)+":"+a+"/"+b+"="); i++; break; case 2: c[i]=((i+1)+":"+a+"*"+b+"="); list[(i+1)]=Math.multiplyExact(a, b); text.setText((i+1)+":"+a+"*"+b+"="); i++; break; case 3: c[i]=((i+1)+":"+a+"+"+b+"="); list[(i+1)]=Math.addExact(a, b); text.setText((i+1)+":"+a+"+"+b+"="); i++; break ; case 4: while(a<=b){ b = (int) Math.round(Math.random() * 100);a = (int) Math.round(Math.random() * 100); } c[i]=((i+1)+":"+a+"-"+b+"="); text.setText((i+1)+":"+a+"-"+b+"="); list[(i+1)]=Math.subtractExact(a, b); i++; break ; } } } } private class Action1 implements ActionListener { public void actionPerformed(ActionEvent event) { if(i<10) { 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) { e.printStackTrace(); } for(int counter=0;counter<10;counter++) { out.println(c[counter]+c1[counter]); } out.println("成績"+sum); out.close(); } } }
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package T;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Toolkit;

import javax.swing.JFrame;

public class N { public static void main (String args[]) { Toolkit t=Toolkit.getDefaultToolkit(); Dimension s=t.getScreenSize(); EventQueue.invokeLater(() -> { JFrame frame = new D(); frame.setBounds(0, 0,(int)s.getWidth()/2,(int)s.getHeight()/2); frame.setTitle(" "); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); }); } }
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任務3:本學期課程已結束,請彙總《面向對象程序設計課程學習進度條》的數據,統計我的專業能力提高的數據。並從學習內容、學習方法、學習心得幾個方面進行課程學習總結,也但願你對課程的不足提出建議和意見。

學習內容:

Java語言特色與開發環境配置(第1章、第2章) Java基本程序結構(第3章) Java面向對象程序結構(第4章、第5章、第6章)類、類間關係、類圖 Java JDK預約義類/接口及其API(String-第3章、Arrays-第3章、Files-第3章62頁、LocalDate-第4章、Object-第5章、對象包裝器-第5章、Comparator-第6章、異常類-第7章、ArrayList-第5+8章、第9章、第10-12章、第14章) Java異常處理編程模型 Java GUI編程模型 Java併發程序設計(第14章) Java應用程序部署(第13章)

學習方法:

沒啥特殊的。

學習心得: 這一學期裏我初次接觸了Java這門編程語言。開始學習任何一門課,興趣最重要。一直以爲本身在學計算機編程語言,學習了不少,可是停留時間不長,老是剛步入正軌就草草結束了,但在老師的教導和學長的幫助下我仍是學到了許多知識的。Java教程仍是很厚的。但我知道這僅僅是深刻學習Java的開始。雖然沒有把每一個知識點完完整整記住,但仍是學到了不少東西的。我是挺贊同老師曾經推行的那些教學模式的。無論是哪一種方法都對咱們這種初學者頗有幫助。

最後衷心的感謝老師和助教學長對咱們的指導和這一學期以來對咱們的付出。

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