测试定义的类

[java]代码库

class People{
	public String name;
	public String sex;
}


public class Employee extends People{
    public int age;
    public char grade;
    
    public Employee(){
    	this("老王","男",40,'A');
    }
  public Employee(String name,String sex,int age,char grade){
    	this.name = name;
    	this.sex = sex;
    	this.age = age;
    	this.grade = grade;
    }
  public String print(){
	  return "姓名：" + name + "；\t\t性别：" + sex + "：\t\t年龄：" + age + 
 			 "：\t\t工资：" + grade ;
  }
	 
	public static void main(String[] args) {
		 Employee employee = new Employee();
		 System.out.println(employee.print());

	}

}