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MethodRefGen4.java

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MethodRefGen4.java

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interface MethodRefAdd4<T> {

int add(int a, int b);

}

interface MethodRefAdd5<T> {

int add(int a, int b);

}

class MethodRefAddGen4<T> {

static int add(int a, int b) {

return a + b;

}

}

public class MethodRefGen4<T extends MethodRefAdd4<? extends Number> & MethodRefAdd5<? extends Number>> {

static int add(int a, int b) {

return a + b;

}

static int Add(MethodRefAdd4<Number> a, int b, int c) {

return a.add(b, c);

}

public static void main(String[] args) {

MethodRefAdd4<Integer> a = MethodRefAddGen4::add;

int res = a.add(12, 13);

System.out.println(res);

Integer sum = Add(MethodRefAddGen4::add, 12, 13);

System.out.println(sum);

}

}