package com.company;

class Box2<T> {
 private T ob;

 public void set(T o) {
 ob = o;
 }

 public T get() {
 return ob;
 }
}

class BoundedWildcardGeneric {
 public static <T> boolean compBox(Box2<? extends T> box, T con) {
 T bc = box.get();
 return bc.equals(con);
 }

 public static void main(String[] args) {
 Box2<Integer> box1 = new Box2<>();
 box1.set(24);

 Box2<String> box2 = new Box2<>();
 box2.set("Poly");

 if (compBox(box1, 25))
 System.out.println("24 save");

 if (compBox(box2, "Poly"))
 System.out.println("Poly save");

 System.out.println(box1.get());
 System.out.println(box2.get());
 }
}

if 문 밑에 print문 실행안됨 ㅠ