java 类是公共的,应在名为.java 的文件中声明
关注:162 答案:2 mip版
解决时间 2021-01-16 12:24
提问者关系已逝
2021-01-15 16:19
import javax.swing.JOptionPane;
import java.text.DecimalFormat;
//EmployeeTest.java
public class EmployeeTest{
public static void main(String[] args){
Employee ref;
String output="";
Boss b=new Boss("史","季华",800.00);
CommissionWorker c=new CommissionWorker("张","雪",400.0,3.0,150);
DecimalFormat precision2=new DecimalFormat("0.00");
ref=b; //把父类的引用ref赋值为子类经理boss对b的引用
output+=ref.toString()+"工资(元)"+
precision2.format(ref.earnings())+"\n