JavaSE 基础 第26节 构造方法重载

2016-06-29

package com.java1995;
/**
 * 学生类
 * @author Administrator
 *
 */
public class Student {
    
    String name;
    String stuNo;//学号
    int age;
    String pickName;//昵称
    
    public Student(){
        //调用父类的构造器
        super();
        //调用本类的构造器
        //this();
    }
    
    public Student(String name){
        this.name=name;
    }
    
    public Student(String name,String stuNo){
        this(name);
        this.stuNo=stuNo;
    }

    public Student(String name,String stuNo,int age){
        this(name,stuNo);
        this.age=age;
    }
    
    public Student(String name,String stuNo,int age,String pickName){
        this(name,stuNo,age);
        this.pickName=pickName;
    }
    
}

package com.java1995;
/**
 * 测试类
 * @author Administrator
 *
 */
public class TestStudent {
    public static void main(String[] args) {
        Student s1=new Student();
        printStudent(s1);
        Student s2=new Student("张三");
        printStudent(s2);
        Student s3=new Student("张三","49");
        printStudent(s3);
        Student s4=new Student("张三","49",12);
        printStudent(s4);
        Student s5=new Student("张三","49",12,"小张");
        printStudent(s5);
    }
    
    public static void printStudent(Student s){
        System.out.println("姓名: "+s.name);
        System.out.println("学号: "+s.stuNo);
        System.out.println("年龄: "+s.age);
        System.out.println("昵称: "+s.pickName);
        
        System.out.println("-----------华丽丽的分割线-----------------------");
    }

}

【参考资料】

[1] Java轻松入门经典教程【完整版】