【简答题】A.initiated B.called C.referenced D.invoked
【单选题】以下代码的输出结果是什么? class A: def __new__(self): self.__init__(self) print("A's __new__() invoked") def __init__(self): print("A's __init__() invoked") class B(A): def __new__(self): print("B's __new__() inv...
A.
B's __new__() invoked A's __init__() invoked
B.
B's __new__() invoked A's __new__() invoked
C.
B's __new__() invoked A's __init__() invoked A's __new__() invoked
D.
A's __init__() invoked A's __new__() invoked
【判断题】当一个m个方程m个未知数的方程组,当其系数行列式不为零时,它有唯一解。
【单选题】下列哪项不是冠心病的超声心动图表现( )
【单选题】Which of the following statements is correct?______.
A.
A tight money policy invoked to alleviate inflation conflicts with the goal of correcting a trade deficit.
B.
A tight money policy invoked to alleviate inflation is compatible with the goal of correcting a trade deficit.
C.
An easy money policy invoked to correct a trade deficit conflicts with the goal of reducing inflation.
D.
An easy money policy invoked to improve sluggish economic growth is compatible with the goal of reducing inflation.
【单选题】What is the output of running class C? class A { public A() { System.out.println( "The default constructor of A is invoked"); } } class B extends A { public B(String s) { System.out.println(s); } } pu...
B.
"The constructor of B is invoked"
C.
"The default constructor of A is invoked" "The constructor of B is invoked"
D.
"The default constructor of A is invoked"
【简答题】下面代码段的运行结果是(______) class A:
def __new__(self):
self.__init__(self)
print("A's __new__() invoked")
def __init__(self):
print("A's __init__() invoked")
class B(A):
...
【单选题】What is the output of running class C? class A { public A() { System.out.println( "The default constructor of A is invoked"); } } class B extends A { public B() { System.out.println( "The default cons...
B.
"The default constructor of B is invoked"
C.
"The default constructor of A is invoked" followed by "The default constructor of B is invoked"
D.
"The default constructor of A is invoked"
【判断题】roots命令的作用是输入多项式全部根,输出其系数。
【单选题】What is the output of running class Test? class A { public A() { System.out.println( "The default constructor of A is invoked"); } } class B extends A { public B(String s) { System.out.println(s); } }...
B.
"The constructor of B is invoked"
C.
"The default constructor of A is invoked" "The constructor of B is invoked"
D.
"The default constructor of A is invoked"