以下程序运行结果是( ) using namespace std; void func( int, int, int * ); int main() { int x, y, z; func( 5, 6, &x ); func( 7, x, &y ); func( x, y, &z ); cout < } void func( int a, int b, int *c ) { b += a; *c = b - a; }
【简答题】已知类关系如下: abstract class Father { public abstract void call(); } classDerived extends Father{ public void call() {} } 下面语句正确的是( )。A. (A) Father Obj=new Derived(); B. (B) DerivedObj=new Father (); C. (...