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; } }