Java面试题:请问一下代码输出是什么

2023-07-06   


class Value
  
   public int i = 15;
  
   public class Test
  
   public static void main(String argv[])
  
   Test t = new Test();
   t.first();
  
   public void first()
  
   int i = 5;
   Value v = new Value();
   v.i = 25;
   second(v, i);
   System.out.println(v.i);
  
   public void second(Value v, int i)
  
   i = 0;
   v.i = 20;
   Value val = new Value();
   v = val;
   System.out.println(v.i + ” ” + i);
  
   答案:
  答案:15 0
   20


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