问题:
A . assert (!(map.contains(x))); map.add(x);
B . if (x > 0){}else { assert (x==0); }
C . public void aMethod(int x) { assert (x > 0); }
D . assert (invariantCondition()); return retval;
E . switch (x) { case 1: break; case 2: creak; default: assert (x == 0);
● 参考解析
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