计算时出现空指针异常
java.lang.NullPointerException: Attempt to invoke interface method 'int control.aidlstudy.MyAIDL.add(int, int)' on a null object reference
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java.lang.NullPointerException: Attempt to invoke interface method 'int control.aidlstudy.MyAIDL.add(int, int)' on a null object reference
2016-10-30
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