Posted in 面试题 onFebruary 21, 2012
1. RuntimeException
2. Error
3. VirtualMachineError
4. IllegalAccessException
5. Throwable
答案：
答案：2
The class AssertionError is an Error, which denotes an “incorrect condition” as opposed to an “unusual condition” (Exception). Since, the class Error descends from Throwable, AssertionError also has “is-a” relationship with Throwable. Here is the hierarchy –
java.lang.Object
|
+-java.lang.Throwable
|
+-java.lang.Error
|
+-java.lang.AssertionError
2. Error
3. VirtualMachineError
4. IllegalAccessException
5. Throwable
答案：
答案：2
The class AssertionError is an Error, which denotes an “incorrect condition” as opposed to an “unusual condition” (Exception). Since, the class Error descends from Throwable, AssertionError also has “is-a” relationship with Throwable. Here is the hierarchy –
java.lang.Object
|
+-java.lang.Throwable
|
+-java.lang.Error
|
+-java.lang.AssertionError
AssertionError 跟一下那个类是 “is – a”的关系
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