package J20250721; /** * @author WanJl * @version 1.0 * @title Main * @description * @create 2025/7/21 */ public class Main { public static void useSupplier(MySupplier ms){ String s = ms.get(); System.out.println(s); } public static void useConsumer(MyConsumer mc){ mc.accept(6); } public static void useFunction(MyFunction mf){ int size = mf.getSize("hello"); System.out.println(size); } public static void main(String[] args) { useSupplier(()->"Hello lambda"); useConsumer(i-> System.out.println(i*i)); useFunction(s->s.length()); //获取字符串长度的方法 MyFunction mf=s-> s.length(); System.out.println(mf.getSize("今天天气不错,是风和日丽的")); } }