Java 实验2

呵呵。借地方放下实验，防止电脑出问题实验丢失掉..

/*
* @(#)AverageNumbers
*
* Copyright 2008 School of Software, Yunnan University.
* All rights reserved
*/
package cn.edu.ynu.sei.Java_Labs.Lab2;

/**
* Java实验2，实现5个数字的求平均数以及平均数的平方根
* @version 1.0.0.0 Jan 22,2008
* @author eleven
*/
public class AverageNumbers {

private double result1;
private double result2;

public AverageNumbers(double int1, double int2, double int3, double int4, double int5) {
result1 = (int1 + int2 + int3 + int4 + int5) / 5;
result2 = Math.sqrt(result1);
System.out.println("average of numbers is " + result1);
System.out.println("square root of average is " + result2);
}

public static void main(String[] args) {
AverageNumbers an = new AverageNumbers(5, 7, 4, 25, 13);
}
}

/*
* @(#)FarheheitToCentigrade
*
* Copyright 2008 School of Software, Yunnan University.
* All rights reserved
*/
package cn.edu.ynu.sei.Java_Labs.Lab2;

/**
* 华氏温度到摄氏温度的转化
* @version 1.0.0.0 Jan 22, 2008
* @author eleven
*/
public class FarheheitToCentigrade {

private double tempCelcius;

public FarheheitToCentigrade(double tempFarenheit) {
tempCelcius = ((tempFarenheit - 32) * 5) / 9;
System.out.println("Centigrade equivalent " + tempCelcius);
}

public static void main(String[] args) {
FarheheitToCentigrade ftc = new FarheheitToCentigrade(98.6);
}
}

/*
* @(#)Payroll
*
* Copyright 2008 School of Software, Yunnan University.
* All rights reserved
*/
package cn.edu.ynu.sei.Java_Labs.Lab2;

/**
* 计算价格和税
* @version 1.0.0.0 Jan 22, 2008
* @author eleven
*/
public class Payroll {

private double grossPay;
private double taxesWithheld;
private double netPay;

public Payroll(double pay, int houseWorked) {

grossPay = pay * houseWorked;
taxesWithheld = grossPay * 0.15;
netPay = grossPay - taxesWithheld;
System.out.println("Gross Pay $" + grossPay);
System.out.println("TaxesWithheld $" + taxesWithheld);
System.out.println("Net Pay $" + netPay);
}

public static void main(String[] args) {
Payroll pr = new Payroll(25, 40);
}
}