如果需要打开一个已经存在的非空文件“Demo”进行修改下面正确的选项是()
如果需要打开一个已经存在的非空文件“Demo”进行修改下面正确的选项是()
A.fp=fopen("Demo","r+")
B.fp=fopen("Demo","r")
C.fp=fopen("Demo","ab+")
D.fp=fopen("Demo","w+")
正确答案:fp=fopen("Demo","r+")
如果需要打开一个已经存在的非空文件“Demo”进行修改下面正确的选项是()
A.fp=fopen("Demo","r+")
B.fp=fopen("Demo","r")
C.fp=fopen("Demo","ab+")
D.fp=fopen("Demo","w+")
正确答案:fp=fopen("Demo","r+")
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