Java 用于方法擦除的字节码生成

package com.codingdict;

public class GenericsTester {
   public static void main(String[] args) {
      Box integerBox = new Box();
      Box stringBox = new Box();

      integerBox.add(new Integer(10));
      stringBox.add(new String("Hello World"));

      printBox(integerBox);
      printBox1(stringBox);
   }

   //Bounded Types Erasure
   private static void printBox(Box box) {
      System.out.println("Integer Value :" + box.get());
   }

   //Unbounded Types Erasure
   private static void printBox1(Object box) {
      System.out.println("String Value :" + ((Box)box).get());
   }
}

class Box {
   private Object t;

   public void add(Object t) {
      this.t = t;
   }

   public Object get() {
      return t;
   }   
}