java工资代码 java工资条

用java,编写五个人的工资表,计算出最高工资,平均数

import java.util.Arrays;

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class YG implements ComparableYG{//员工类,实现比较接口

String name;//姓名

int gz;//工资

public YG(String name, int gz) {

this.name = name;

this.gz = gz;

}

public String toString() {

return "姓名:"+name+"\t工资:"+gz;

}

public int compareTo(YG o) {//通过这个方法, 实现按工资排序

return o.gz-this.gz;//从大到小

}

}

public class MyTest {

public static void main(String[] args) {

YG[] ary = new YG[5];

ary[0] = new YG("张三", 5260);

ary[1] = new YG("赵四", 6000);

ary[2] = new YG("王五", 5500);

ary[3] = new YG("唐六", 5800);

ary[4] = new YG("杨七", 5200);

Arrays.sort(ary);//排序

double sum = 0;

for (YG yg : ary) {

sum+=yg.gz;

}

System.out.println("最高工资:"+ary[0]+"\n平均工资:"+sum/ary.length);

}

}

输出

最高工资:姓名:赵四 工资:6000

平均工资:5552.0

求一段简单的JAVA代码 要求员工工资管理系统的一个增删改查代码，谢谢了

对数据库进行增删改查？

以下是 sql server 2013+java.实现的是对MSC对象的增删改查.

需要下载连接驱动程序：com.microsoft.sqlserver.jdbc.SQLServerDriver

网上搜一下就行

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

class MSC

{

public String MscID;

public String MscName;

public String MscCompany;

public float MscLongitude;

public float MscLatitude;

public float MscAltitude;

public MSC(String MscID, String MscName, String MscCompany,

float MscLongitude, float MscLatitude,float MscAltitude){

this.MscID = MscID;

this.MscName = MscName;

this.MscCompany = MscCompany;

this.MscLongitude =MscLongitude;

this.MscLatitude = MscLatitude;

this.MscAltitude = MscAltitude;

}

}

public class sqlserverjdbc {

public Connection getConnection(){

String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //加载JDBC驱动

String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=gsm"; //连接服务器和数据库sample

String userName = "sa"; //默认用户名

String userPwd = "123"; //密码

Connection dbConn = null;

try {

Class.forName(driverName);

dbConn =DriverManager.getConnection(dbURL, userName, userPwd);

} catch (Exception e) {

e.printStackTrace();

}

return dbConn;

}

public void printUserInfo(){

Connection con = getConnection();

Statement sta = null;

ResultSet rs = null;

System.out.println("打印表格MSC信息");

try {

sta = con.createStatement();

rs = sta.executeQuery("select * from MSC信息");

System.out.println("MscID\tMscName\tMscCompany\tMscLongitude\tMscLatitude\tMscAltitude");

while(rs.next()){

System.out.println(rs.getString("MscID")+"\t"+

rs.getString("MscName")+"\t"+

rs.getString("MscCompany")+"\t"+

rs.getFloat("MscLongitude")+"\t"+

rs.getFloat("MscLatitude")+"\t"+

rs.getFloat("MscAltitude"));

}

con.close();

sta.close();

rs.close();

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

System.out.println("打印完成\n");

}

public void delete(String MscID){

Connection con = getConnection();

String sql = "delete from MSC信息 where MscID = " + MscID;

PreparedStatement pst;

System.out.println("删除表格MSC信息中 ID = "+MscID+"的记录");

try {

pst = con.prepareStatement(sql);

pst.execute();

pst.close();

con.close();

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

System.out.println("记录删除失败！！！");

}

System.out.println("记录删除成功！！！\n");

}

public void insert(MSC msc){

Connection con = getConnection();

String sql = "insert into MSC信息 values(?,?,?,?,?,?)";

PreparedStatement pst;

System.out.println("插入一条记录");

try {

pst = con.prepareStatement(sql);

pst.setString(1, msc.MscID);

pst.setString(2, msc.MscName);

pst.setString(3, msc.MscCompany);

pst.setFloat(4, msc.MscLongitude);

pst.setFloat(5, msc.MscLatitude);

pst.setFloat(6, msc.MscAltitude);

pst.execute();

pst.close();

con.close();

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

System.out.println("插入失败！！！");

}

System.out.println("插入成功！！！\n");

}

//更新MscID的MscName

public void updateMscName(String MscID, String MscName){

Connection con = getConnection();

String sql = "update MSC信息 set MscName = ? where MscID = ?";

PreparedStatement pst;

System.out.println("修改一条记录");

try {

pst = con.prepareStatement(sql);

pst.setString(1, MscName);

pst.setString(2, MscID);

pst.execute();

pst.close();

con.close();

} catch (SQLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

System.out.println("修改失败！！！");

}

System.out.println("修改成功！！！\n");

}

public static void main(String args[]){

sqlserverjdbc sql = new sqlserverjdbc();

sql.printUserInfo();

sql.delete("1111");

sql.printUserInfo();

sql.updateMscName("5215", "联想");

sql.printUserInfo();

sql.insert(new MSC("1111", "中兴" ," 中兴", (float)12.2, (float)3.4,(float)45.5));

sql.printUserInfo();

}

}

java计算工资

person类：

public abstract class Person {

public double pay; // 总工资

public int hour; // 课时

public double countPay(int hour) {

return pay;

}

}

助教类：

public class Assistant extends Person {

public final double BASE_PAY = 800; // 基本工资

public final double HOUR_PAY = 25; // 每课时的费用

public double countPay(int hour) {

pay = BASE_PAY + hour * HOUR_PAY;

return pay;

}

}

讲师类：

public class Instructor extends Person {

public final double BASE_PAY = 1000; // 基本工资

public final double HOUR_PAY = 35; // 每课时的费用

public double countPay(int hour) {

pay = BASE_PAY + hour * HOUR_PAY;

return pay;

}

}

副教授类：

public class AssistantProfesson extends Person {

public final double BASE_PAY = 1200; // 基本工资

public final double HOUR_PAY = 40; // 每课时的费用

public double countPay(int hour) {

pay = BASE_PAY + hour * HOUR_PAY;

return pay;

}

}

教授类：

public class Professor extends Person {

public final double BASE_PAY = 1400; // 基本工资

public final double HOUR_PAY = 50; // 每课时的费用

public double countPay(int hour) {

pay = BASE_PAY + hour * HOUR_PAY;

return pay;

}

}

测试类：

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class Test {

public static void main(String[] args) {

System.out.println("人员类型如下：");

System.out.println("1 = 助教\r\n2 = 讲师\r\n3 = 副教授\r\n4 = 教授");

System.out.print("请选择：");

BufferedReader personType = new BufferedReader(new InputStreamReader(

System.in));

String type = null;

int hour = 0;

try {

type = personType.readLine();

} catch (Exception e) {

e.printStackTrace();

}

if (type.matches("[1-4]{1}")) {

switch (Integer.valueOf(type)) {

case 1:

hour = getHour();

if(hour == 0){return;}

Person p1 = new Assistant();

double pay1 = p1.countPay(hour);

System.out.println("助教工作" + hour + "课时的工资为：" + pay1);

break;

case 2:

hour = getHour();

if(hour == 0){return;}

Person p2 = new Instructor();

double pay2 = p2.countPay(hour);

System.out.println("讲师工作" + hour + "课时的工资为：" + pay2);

break;

case 3:

hour = getHour();

if(hour == 0){return;}

Person p3 = new AssistantProfesson();

double pay3 = p3.countPay(hour);

System.out.println("副教授工作" + hour + "课时的工资为：" + pay3);

break;

case 4:

hour = getHour();

if(hour == 0){return;}

Person p4 = new Professor();

double pay4 = p4.countPay(hour);

System.out.println("教授工作" + hour + "课时的工资为：" + pay4);

break;

}

} else {

System.out.println("输入数据错误！程序提前推出！");

return;

}

}

public static int getHour() {

System.out.print("请输入工作时间：");

BufferedReader hours = new BufferedReader(new InputStreamReader(

System.in));

String strHour = null;

int hour = 0;

try {

strHour = hours.readLine();

} catch (Exception e) {

e.printStackTrace();

}

if (strHour.matches("^[0-9]+?")) {

hour = Integer.parseInt(strHour);

} else {

System.out.println("输入参数不正确！程序提前推出！");

}

return hour;

}

}

怎样计算工资包括年工资,周工资,月工资，用java编写程序

代码一

public double earnings()

{double a=50000.456;

return a;

}

代码二

public double earnings()

{double b=2000;

return 12*b;}

代码三

public double earnings()

{double c=500;

return 52*c;}

代码四

我也正在思考中

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