第15次作业
1.
package lj; public class ColaEmployee { protected String name; protected int month; public ColaEmployee() { super(); } public ColaEmployee(String name, int month) { super(); this.name = name; this.month = month; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getMonth() { return month; } public void setMonth(int month) { this.month = month; } public double getSalary(int month) { return 0; } }
package lj; public class SalariedEmployee extends ColaEmployee { double monSalary; public SalariedEmployee() { super(); } public SalariedEmployee(String name, int month, double monSalary) { super(name, month); this.monSalary = monSalary; } public double getSalary(int month) { if (super.getMonth() == month) { return monSalary + 100; } else { return monSalary; } } }
package lj; public class HourlyEmployee extends ColaEmployee { int hourSalary; int hourNum; public HourlyEmployee() { super(); } public HourlyEmployee(String name, int month, int hourSalary, int hourNum) { super(name, month); this.hourSalary = hourSalary; this.hourNum = hourNum; } public double getSalary(int month) { if (super.getMonth() > month) { if (hourNum > 160) { return hourSalary * 160 + hourSalary * (hourNum - 160) * 1.5 + 100; } else { return hourSalary * hourNum + 100; } } else { if (hourNum > 160) { return hourSalary * 160 + hourSalary * (hourNum - 160) * 1.5; } else { return hourSalary * hourNum; } } } }
package lj; public class SalesEmployee extends ColaEmployee { int monthSales; double royaltyRate; public SalesEmployee() { super(); } public SalesEmployee( String name,int month, int monthSales, double royaltyRate) { super(name, month); this.monthSales = monthSales; this.royaltyRate = royaltyRate; } public double getSalary(int month) { if (super.getMonth() == month) { return monthSales * royaltyRate + 100; } else { return monthSales * royaltyRate; } } }
package lj; public class Company { public void getSalary(ColaEmployee c, int month) { System.out.println(c.name + "在" + month + "月的月薪为" + c.getSalary(month)+ "元"); } }
package lj; public class TestCompany { public static void main(String[] args) { ColaEmployee[] cel = { new SalariedEmployee("salariedEmployee", 6, 30000), new HourlyEmployee("hourlyEmployee", 5, 100, 300), new SalesEmployee("salesEmployee", 3, 500000, 0.3) }; // 数组遍历 for (int i = 0; i < cel.length; i++) { new Company().getSalary(cel[i], 10); } } }
2.
package lj; import java.util.Scanner; public interface Fruit { } class Apple implements Fruit { public Apple() { System.out.println("创建了一个苹果对象"); } } class Banana implements Fruit { public Banana() { System.out.println("创建了一个香蕉对象"); } } class Putao implements Fruit { public Putao() { System.out.println("创建了一个葡萄对象"); } } class Gardener { public Fruit create() { Fruit f = null; Scanner input = new Scanner(System.in); String name = input.next(); if (name.equals("苹果")) { f = new Apple(); } else if (name.equals("香蕉")) { f = new Banana(); } else if (name.equals("葡萄")) { f = new Putao(); } else { System.out.println("不会种"); } return f; } }
package lj; public class Test2 { /** * @param args */ public static void main(String[] args) { Gardener g = new Gardener(); g.create(); } }