JAVA 引用构造器

package com.interfaces;

public class Demo3 {
    public static void main(String[] args) {
        test((name, age) -> new Student(name,age));
        test(Student::new);
    }
    public static void test(StudentBuilder sb){
        Student build = sb.build("wyl",12);
        System.out.println(build.getName()+"||"+build.getAge());
    }
}
package com.interfaces;

public interface StudentBuilder {
    Student build(String name,int age);
}
package com.interfaces;

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

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

    public Student() {
    }

    public String getName() {
        return name;
    }

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

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}
posted @ 2022-04-23 20:40  phpwyl  阅读(62)  评论(0编辑  收藏  举报