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[判断题]
若变量c为char类型,则表达式(c>='a')&&(c<='z')能正确判断出c为小写字母。()
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第2题
A.'a'<=c1<='z'
B.(c1>='a')&&(c1<='z')
C.(c1>=a)&&(c1<=z)
D.(‘a'<=c1)||('z'>=c1)
第3题
A.int
B.long
C.double
D.char
第4题
A.(ch>='0')||(ch<='9')
B.'0'<=ch<='9'
C.('0'<=ch)and('9'>=ch)
D.(ch>='0')&&(ch<='9')
第6题
A.(c1>=0)&&(c1<=9)
B.(c1>=’0’)&&(c1<=’9’)
C.’0’<=c1<=’9’
D.(c1>=’0’)||(c1<=’9’)
第10题
A.'A'<=ch<='Z'
B.(ch>='A')&(ch<='Z')
C.(ch>='A')&&(ch<='Z')
D.('A'<=ch)AND('Z'>=ch)
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