package interfaces;public class Employee implements Comparable<Employee>
{//声明属性；private String name;private double salary;//构造方法；public Employee(String name, double salary){this.name = name;this.salary = salary;}//Name属性访问器；public String getName(){return name;}//Salary属性访问器；public double getSalary(){return salary;}//计算工资方法；public void raiseSalary(double byPercent){double raise = salary * byPercent / 100;salary += raise;}/*** Compares employees by salary* @param other another Employee object* @return a negative value if this employee has a lower salary than* otherObject, 0 if the salaries are the same, a positive value otherwise*/public int compareTo(Employee other)//compareTo方法；
   {return Double.compare(salary, other.salary);//包装器 调用compare方法；
   }
}

package interfaces;import java.util.*;/*** This program demonstrates the use of the Comparable interface.* @version 1.30 2004-02-27* @author Cay Horstmann*/
public class EmployeeSortTest
{public static void main(String[] args){//构建数组对象；Employee[] staff = new Employee[3];//用三个staff对象填充数组；staff[0] = new Employee("Harry Hacker", 35000);staff[1] = new Employee("Carl Cracker", 75000);staff[2] = new Employee("Tony Tester", 38000);Arrays.sort(staff);//按字母排序方法；// print out information about all Employee objectsfor (Employee e : staff)System.out.println("name=" + e.getName() + ",salary=" + e.getSalary());}
}

interface  A
{double g=9.8;void show( );
}
class C implements A
{public void show( ){System.out.println("g="+g);}
}class InterfaceTest
{public static void main(String[ ] args){A a=new C( );a.show( );System.out.println("g="+C.g);}
}

public interface  A
{double g=9.8;void show( );
}public class C implements A
{public void show( ){System.out.println("g="+g);}
}public class InterfaceTest
{public static void main(String[ ] args){A a=new C( );a.show( );System.out.println("g="+C.g);}
}

package timer;/**@version 1.01 2015-05-12@author Cay Horstmann
*/import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;
// 解决与java.util.Timer的矛盾public class TimerTest
{  public static void main(String[] args){  ActionListener listener = new TimePrinter();//构造一个调用侦听器的计时器；//每十秒一次；Timer t = new Timer(10000, listener);t.start();JOptionPane.showMessageDialog(null, "Quit program?");System.exit(0);}
}class TimePrinter implements ActionListener
{  public void actionPerformed(ActionEvent event){  System.out.println("At the tone, the time is " + new Date());Toolkit.getDefaultToolkit().beep();}
}

package clone;import java.util.Date;
import java.util.GregorianCalendar;public class Employee implements Cloneable
{private String name;private double salary;private Date hireDay;public Employee(String name, double salary){this.name = name;this.salary = salary;hireDay = new Date();}//
   public Employee clone() throws CloneNotSupportedException{Employee cloned = (Employee) super.clone();//返回Object对象后强制类型转换；// 克隆可变部分；cloned.hireDay = (Date) hireDay.clone();return cloned;}/*** Set the hire day to a given date. * @param year the year of the hire day* @param month the month of the hire day* @param day the day of the hire day*/public void setHireDay(int year, int month, int day){Date newHireDay = new GregorianCalendar(year, month - 1, day).getTime();// 实例字段变异实例；
      hireDay.setTime(newHireDay.getTime());}public void raiseSalary(double byPercent){double raise = salary * byPercent / 100;salary += raise;}public String toString(){return "Employee[name=" + name + ",salary=" + salary + ",hireDay=" + hireDay + "]";}
}

package Lambda;import java.util.*;import javax.swing.*;
import javax.swing.Timer;/*** This program demonstrates the use of lambda expressions.* @version 1.0 2015-05-12* @author Cay Horstmann*/
public class LambdaTest
{public static void main(String[] args){//定义并初始化string类数组；String[] planets = new String[] { "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune" };//排序前输出；System.out.println(Arrays.toString(planets));System.out.println("Sorted in dictionary order:");Arrays.sort(planets);System.out.println(Arrays.toString(planets));//按字母顺序排序输出；System.out.println("Sorted by length:");//按单词长度排序后，使用lambda表达式；Arrays.sort(planets, (first, second) -> first.length() - second.length());System.out.println(Arrays.toString(planets));////方法引用；lambda表达式；    Timer t = new Timer(1000, event ->System.out.println("The time is " + new Date()));//每隔一秒输出当前时间；
      t.start();   // 继续运行程序，知道用户选择OK；JOptionPane.showMessageDialog(null, "Quit program?");System.exit(0);         }
}

import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.Arrays;import java.util.Collections;import java.util.Scanner;public class Search{private static ArrayList<Person> Personlist1;public static void main(String[] args) {Personlist1 = new ArrayList<>();Scanner scanner = new Scanner(System.in);File file = new File("E:\\面向对象程序设计Java\\实验\\实验六\\身份证号.txt");try {FileInputStream F = new FileInputStream(file);BufferedReader in = new BufferedReader(new InputStreamReader(F));String temp = null;while ((temp = in.readLine()) != null) {Scanner linescanner = new Scanner(temp);linescanner.useDelimiter(" ");    String name = linescanner.next();String id = linescanner.next();String sex = linescanner.next();String age = linescanner.next();String place =linescanner.nextLine();Person Person = new Person();Person.setname(name);Person.setid(id);Person.setsex(sex);int a = Integer.parseInt(age);Person.setage(a);Person.setbirthplace(place);Personlist1.add(Person);}} catch (FileNotFoundException e) {System.out.println("查找不到信息");e.printStackTrace();} catch (IOException e) {System.out.println("信息读取有误");e.printStackTrace();}boolean isTrue = true;while (isTrue) {System.out.println("******************************************");System.out.println("1:按姓名字典顺序输出信息；");System.out.println("2:查询最大年龄与最小年龄人员信息；");System.out.println("3：按省份找你的同乡；");System.out.println("4:输入你的年龄,查询年龄与你最近人的信息；");System.out.println("5：退出");System.out.println("******************************************");int type = scanner.nextInt();switch (type) {case 1:Collections.sort(Personlist1);System.out.println(Personlist1.toString());break;case 2:int max=0,min=100;int j,k1 = 0,k2=0;for(int i=1;i<Personlist1.size();i++){j=Personlist1.get(i).getage();if(j>max){max=j; k1=i;}if(j<min){min=j; k2=i;}}  System.out.println("年龄最大："+Personlist1.get(k1));System.out.println("年龄最小："+Personlist1.get(k2));break;case 3:System.out.println("place?");String find = scanner.next();        String place=find.substring(0,3);String place2=find.substring(0,3);for (int i = 0; i <Personlist1.size(); i++) {if(Personlist1.get(i).getbirthplace().substring(1,4).equals(place)) {System.out.println("你的同乡："+Personlist1.get(i));}} break;case 4:System.out.println("年龄：");int yourage = scanner.nextInt();int close=ageclose(yourage);int d_value=yourage-Personlist1.get(close).getage();System.out.println(""+Personlist1.get(close));break;case 5:isTrue = false;System.out.println("再见!");break;default:System.out.println("输入有误");}}}public static int ageclose(int age) {int m=0;int    max=53;int d_value=0;int k=0;for (int i = 0; i < Personlist1.size(); i++){d_value=Personlist1.get(i).getage()-age;if(d_value<0) d_value=-d_value; if (d_value<max) {max=d_value;k=i;}}    return k;}}//jiekouwenjiaanpublic class Person implements Comparable<Person> {private String name;private String id;private int age;private String sex;private String birthplace;public String getname() {return name;}public void setname(String name) {this.name = name;}public String getid() {return id;}public void setid(String id) {this.id= id;}public int getage() {return age;}public void setage(int age) {// int a = Integer.parseInt(age);this.age= age;}public String getsex() {return sex;}public void setsex(String sex) {this.sex= sex;}public String getbirthplace() {return birthplace;}public void setbirthplace(String birthplace) {this.birthplace= birthplace;
}public int compareTo(Person o) {return this.name.compareTo(o.getname());}public String toString() {return  name+"\t"+sex+"\t"+age+"\t"+id+"\t";}}

package innerClass;import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;/*** This program demonstrates the use of inner classes.* @version 1.11 2015-05-12* @author Cay Horstmann*/
public class InnerClassTest
{public static void main(String[] args){TalkingClock clock = new TalkingClock(1000, true);clock.start();// 保持程序运行知道用户选择OK；JOptionPane.showMessageDialog(null, "Quit program?");System.exit(0);}
}/*** A clock that prints the time in regular intervals.*/
class TalkingClock
{private int interval;private boolean beep;/*** Constructs a talking clock* @param interval the interval between messages (in milliseconds)* @param beep true if the clock should beep*/public TalkingClock(int interval, boolean beep){this.interval = interval;this.beep = beep;}/*** Starts the clock.*/public void start(){ActionListener listener = new TimePrinter();Timer t = new Timer(interval, listener);t.start();}public class TimePrinter implements ActionListener{public void actionPerformed(ActionEvent event){System.out.println("At the tone, the time is " + new Date());if (beep) Toolkit.getDefaultToolkit().beep();}}
}

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;/*** This program demonstrates anonymous inner classes.* @version 1.11 2015-05-12* @author Cay Horstmann*/
public class AnonymousInnerClassTest
{public static void main(String[] args){TalkingClock clock = new TalkingClock();clock.start(1000, true);// 保持程序运行知道用户选择OK；JOptionPane.showMessageDialog(null, "Quit program?");System.exit(0);}
}/*** A clock that prints the time in regular intervals.*/
class TalkingClock
{/*** Starts the clock.* @param interval the interval between messages (in milliseconds)* @param beep true if the clock should beep*///匿名内部类；public void start(int interval, boolean beep){ActionListener listener = new ActionListener(){public void actionPerformed(ActionEvent event){System.out.println("At the tone, the time is " + new Date());if (beep) Toolkit.getDefaultToolkit().beep();}};Timer t = new Timer(interval, listener);t.start();}
}

package staticInnerClass;/*** This program demonstrates the use of static inner classes.* @version 1.02 2015-05-12* @author Cay Horstmann*/
public class StaticInnerClassTest
{public static void main(String[] args){double[] d = new double[20];for (int i = 0; i < d.length; i++)d[i] = 100 * Math.random();ArrayAlg.Pair p = ArrayAlg.minmax(d);System.out.println("min = " + p.getFirst());System.out.println("max = " + p.getSecond());}
}class ArrayAlg
{/*** A pair of floating-point numbers*/public static class Pair{private double first;private double second;/*** Constructs a pair from two floating-point numbers* @param f the first number* @param s the second number*/public Pair(double f, double s){first = f;second = s;}/*** Returns the first number of the pair* @return the first number*/public double getFirst(){return first;}/*** Returns the second number of the pair* @return the second number*/public double getSecond(){return second;}}/*** Computes both the minimum and the maximum of an array* @param values an array of floating-point numbers* @return a pair whose first element is the minimum and whose second element* is the maximum*/public static Pair minmax(double[] values){double min = Double.POSITIVE_INFINITY;double max = Double.NEGATIVE_INFINITY;for (double v : values){if (min > v) min = v;if (max < v) max = v;}return new Pair(min, max);}
}