构造方法（初学）

package day01;

public class Student {
    private String name;
    private int age;

    public Student() {
        System.out.println("无参构造");
    }

    public Student(String name,int age) {
        System.out.println("有参构造");
        this.age = age;
        this.name=name;
        nihao();
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setAge(int age) {
        this.age = age;
    }
    public void hi(String name,int age){
        System.out.println("我叫"+name+"今年"+age);
        System.out.println("我叫"+this.name+"今年"+this.age);
    }
    public void nihao(){
        System.out.println("我叫"+this.name+"今年"+this.age);
    }
}

package day01;
//import day01.Student
public class Case03 {
    public static void main(String[] args) {
        Student stu1=new Student();
        Student stu2=new Student("Lucken",18);

    }
}