这段代码为什么报空指针

Question

 public class Test3 {

    public static void main(String[] args) {

       Integer[] c = new Integer[]{null,1,null};

       for(int k=0;k<c.length;k++){
         if(c[k].equals(1)){
           System.out.println("everything will be ok");
       }else{
           System.out.println("something will be wrong");
       }
      }


    }   
}

Answer 1

不能对null调用equals