Which of the following statements about declaration are true?()         

A .  Declaration of primitive types such as boolean, byte and so on does not allocate memory space for the variable. B .  Declaration of primitive types such as boolean, byte and so on allocates memory space for the variable. C .  Declaration of nonprimitive types such as String, Vector and so on does not allocate memory space for the object. D .  Declaration of nonprimitive types such as String, Vector ans so on allocates memory space for the object.

时间:2022-09-27 20:55:18 所属题库:SCJP程序员认证考试题库

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