若以下变量均已正确定义并赋值,下面符合Java语言语法的表达式是
A. a = a≤7
B. a = 7 + b + c
C. int 12.3 % 4
D. a = a + 7 = c + b
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对下面的语句序列正确的说法是 ()。int c='A'/3;c+='1'%5;System.out.println(c);
A. 产生编译错误;
B. 输出结果25;
C. 输出结果21;
D. 输出结果2;
执行下列程序段后,b, x, y的值正确的是()。int x=6,y=8;boolean b;b=x〈y∣++x==--y;
A. true , 6, 8
B. false , 7, 7
C. true, 7, 7
D. false, 6, 8
System.out.println("5" + 2);的输出结果应该是( )
A. 52
B. 7
C. 2
D. 编译错
A variable defined inside a method is referred to as ()
A. a global variable
B. a method variable
C. a block variable
D. a local variable