public class Thing { }
public class Thing { public Thing() {} }
public class Thing { public Thing(void) {} }
public class Thing { public Thing(String s) {} }
public class Thing { public void Thing() {} public Thing(String s) {} }
第1题:
A、time
B、duty
C、hand
D、purpose
第2题:
To qualify for a promotion, ()to exceed the quota.
Athe best thing he could do was
Bhe did his best
Call he could do was
Dhis best thing was
第3题:
A.thing1
B.one-hundred
C.int
D.1thing
第4题:
Which two allow the class Thing to be instantiated using new Thing()?
第5题:
In which two cases does the compiler supply a default constructor for class A?()
第6题:
有下列程序:
include<iostream>
using namespace std;
class ONE
{
public:
virtual void f(){COUt<<"1";}
};
c1assTWO:public ONE
{
public:
TWO(){cout<<"2";}
};
class THREE:public TWO
{
pub
第7题:
public class SomeException { } Class a: public class a { public void doSomething() { } } Class b: public class b extends a { public void doSomething() throws SomeException { } } Which is true about the two classes?()
第8题:
A.public class MinMax<?> {
B.public class MinMax<? extends Number> {
C.public class MinMax<N extends Object> {
D.public class MinMax<N extends Number> {
E.public class MinMax<? extends Object> {
F.public class MinMax<N extends Integer> {
第9题:
1. public interface A { 2. public void doSomething(String thing); 3. } 1. public class AImpl implements A { 2. public void doSomething(String msg) { } 3. } 1. public class B { 2. public A doit() { 3. // more code here 4. } 5. 6. public String execute() { 7. // more code here 8. } 9. } 1. public class C extends B { 2. public AImpl doit() { 3. // more code here 4. } 5. 6. public Object execute() { 7. // more code here 8. } 9. } Which statement is true about the classes and interfaces in the exhibit?()
第10题:
Given that Thing is a class, how many objects and reference variables are created by the following code?() Thing item, stuff; item = new Thing(); Thing entity = new Thing();