试题详情
- 单项选择题 现有: class Top { static int x=l; public Top (inty) { x*=3; } } class Middle extends Top { public Middle() {x+=1; ) public static void main (String [] args) { Middle m = new Middle(); System. out .println (x); } } 结果为:()
A、1
B、2
C、3
D、编译失败
- D
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