salarylist.java

是<java程序设计>的课后作业2-8源码.可以供初学者参考,作了解java基础语法所用.

/**
 * @(#)SalaryList.java
 *
 *
 * @author 
 * @version 1.00 2009/3/3
 */
//打印员工的工资单

import javax.swing.JOptionPane;

public class SalaryList {
        
    /**
     * Creates a new instance of <code>SalaryList</code>.
     */
    public SalaryList() {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        //Input employee's full name
        String StringFullName=JOptionPane.showInputDialog(null,"Enter employee's full name:",
        "Exercise2_13 Input",JOptionPane.QUESTION_MESSAGE);
        
        //Input number of hours worked in a week
        String StringNumberOfHours=JOptionPane.showInputDialog(null,
        "Enter number of hours worked in a week:","Exercise2_13 Input",JOptionPane.QUESTION_MESSAGE);
        //Convert string into double.
        double DoubleNumberOfHours=Double.parseDouble(StringNumberOfHours);
        
        //Input hourly pay rate
        String StringHourlyPayRate=JOptionPane.showInputDialog(null,
        "Enter hourly pay rate:","Exercise2_13 Input",JOptionPane.QUESTION_MESSAGE);
        //Convert string into double
        double DoubleHourlyPayRate=Double.parseDouble(StringHourlyPayRate);
        
        //Input federal tax withholding rate
        String StringFederalTaxRate=JOptionPane.showInputDialog(null,
        "Enter federal tax withholding rate:","Exercise2_13 Input",JOptionPane.QUESTION_MESSAGE);
        //Convert string into double
        double DoubleFederalTaxRate=Double.parseDouble(StringFederalTaxRate);
        
        //Input state tax withholding rate
        String StringStateTaxRate=JOptionPane.showInputDialog(null,
        "Enter state rate withholding rate:","Exercise2_13 Input",JOptionPane.QUESTION_MESSAGE);
        double DoubleStateTaxRate=Double.parseDouble(StringStateTaxRate);
        
        //Calculate grass pay
        double DoubleGrassPay=DoubleHourlyPayRate*DoubleNumberOfHours;
        //Calculate Deductions
        double DoubleFederalWithholding=DoubleGrassPay*DoubleFederalTaxRate;
        double DoubleStateWithholding=DoubleGrassPay*DoubleStateTaxRate;
        double DoubleTtotalDeductions=DoubleFederalWithholding+DoubleStateWithholding;
        //Calculate Deductions
        double DoubleNetPay=DoubleGrassPay-DoubleTtotalDeductions;
        
        //Salary List
        String OutPut="Employee Name:"+StringFullName+"\n\n";
        OutPut+="Hours Worked:"+StringNumberOfHours+"\n";
        OutPut+="Pay Rate: $"+StringHourlyPayRate+"\n";
        OutPut+="Grass Pay: $"+DoubleGrassPay+"\n";
        OutPut+="Deductions:\n";
        OutPut+="  Federal Withholding("+(DoubleFederalTaxRate*100)+"%): $"+DoubleFederalWithholding+"\n";
        OutPut+="  State Withholding("+(DoubleStateTaxRate*100)+"%): $"+DoubleStateWithholding+"\n";
        OutPut+="  Total Deductions: $"+DoubleTtotalDeductions+"\n";
        OutPut+="Net Pay: $"+DoubleNetPay+"\n";
        
        //Output Salary List
        JOptionPane.showMessageDialog(null,OutPut,"Exercise2_13 Output",JOptionPane.INFORMATION_MESSAGE);
        
        return;
        
        
    }
}