char operator;int a,b;operator= ‘+’;a=6;b=2;switch (operator){case ‘+’: System.out.println(a+b);case ‘-‘:System.out.println(a-b);case ‘‘:System.out.println(ab);brea

A.8 B.12 C.4 D.3 E.无效运算符

时间:2024-03-10 15:38:56

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