判断char型变量c是否为小写字母的正确表达式是( )A.′a′<=c<=′z

练习题库2022-08-02  29

问题 判断char型变量c是否为小写字母的正确表达式是(  )A.′a′<=c<=′z′B.(c>+A)&&(c<=z)C.(′a′>=c)||(′z′<=c)D.(c>=′a′)&&(c<=′z′)

选项 A.′a′<=c<=′z′
B.(c>+A)&&(c<=z)
C.(′a′>=c)||(′z′<=c)
D.(c>=′a′)&&(c<=′z′)

答案 D

解析
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