Talk is cheap, show me the code.

摘要： JDK5.0之前 int i = 1; //基本数据类型int Integer j = new Integer(i);//手动装箱 int k = j.intValue();//手动拆箱 JDK5.0之后 Integer i = 1;//自动装箱 int j = i;//自动拆箱 Integer i 阅读全文

摘要： package example; public class Test { public static void main(String[] args) { int i=10; Integer q=new Integer(10); System.out.println(i==q); } } true 阅读全文