2023.10.17
1.
public class Tester{ public static void main(String[] args){ Integer var1=new Integer(1); Integer var2=var1; doSomething(var2); System.out.print(var1.intValue()); System.out.print(var1==var2); } public static void doSomething(Integer integer){ integer=new Integer(2); } } 结果是 1true
java中引用类型的实参向形参的传递,只是传递的引用,而不是传递的对象本身。
标签:var1,var2,System,static,Integer,public From: https://www.cnblogs.com/RynerLee/p/17770988.html