J250419/chapter01-javaSE/J20250721/MySupplier.java

package J20250721;

/**
 * @author WanJl
 * @version 1.0
 * @title MySupplier
 * @description
 * @create 2025/7/21
 */
@FunctionalInterface    //标注这个接口是函数式接口
public interface MySupplier {
    String get();
}

interface TriFunction{
    int get(int a,int b,int c);
}
class MyTest{
    public static void main(String[] args) {
        TriFunction t1=(a,b,c)-> a*b*c;
        TriFunction t2=(a,b,c)-> a+b+c;
        TriFunction t3=(a,b,c)-> a+b-c;
        int r1 = t1.get(15, 6, 7);
        int r2 = t2.get(15, 6, 7);
        int r3 = t3.get(15, 6, 7);
        System.out.println(r1);
        System.out.println(r2);
        System.out.println(r3);
    }
}