Commit 1f7bf702 authored by ma yanling's avatar ma yanling
Browse files

5

parent f01e9f5b
......@@ -20,5 +20,8 @@ public class MyFirstApp
public class Test
{
test
int [] array=null;
List list = null;
System.out.println(array[0]); //空指针异常
System.out.println(list.get(0)); //空指针异常
}
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