class A { public byte getNumber() { return 1; } } class B extends A { public short getNumber() { return 2; } public static void main(String args[]) { B b = new B(); System.out.println(b.getNumber()); } } What is the result?() 1。 2。 An exception is thrown at runtime.。 Compilation fails because of an error in line 8.。 Compilation fails because of an error in line 14.。
家庭治疗法
分层总和法和规范法的异同点?
Which two are benefits of fully encapsulating a class?() Performance of class methods is improved.。 Implementation details of the class are hidden.。 Access modifiers can be omitted on class data members.。 Code that uses the encapsulation class can access data members directly.。 Internal operation of the class can be modified without impacting clients of that class.。
试述民族传统体育的特征及其延续的原因。
对于处于平衡状态下的液体,其中任一点的()变化都会等值地传递到液体的其他部分而丝毫不改变其数值,这就是帕斯卡定律。