public class Parent { public int addValue( int a, int b) { int s; s = a+b; return s; } } class Child extends Parent { } Which methods can be added into class Child?()
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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?()
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package geometry; public class Hypotenuse { public InnerTriangle it = new InnerTriangle(); class InnerTriangle { public int base; public int height; } } Which is true about the class of an object that can reference the variable base? ()
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public interface A { String DEFAULT_GREETING = “Hello World”; public void method1(); } A programmer wants to create an interface called B that has A as its parent. Which interface declaration is correct?()
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public class Parent { int change() {…} } class Child extends Parent { } Which methods can be added into class Child?()
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public class Parent{ public void change(int x){} } public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()
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在英国Public House一词是正式用语,口语上帝用Pub代替。
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package foo; public class Outer { public static class Inner { } } Which statement is true?()
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package foo; public class Outer ( public static class Inner ( ) ) Which statement is true?()
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interface Data { public void load(); } abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?()
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public class Parent{ public void change(int x){} } public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()
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public class X { public X aMethod() { return this;} } public class Y extends X { } Which two methods can be added to the definition of class Y?()
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现有 public class Parentt public void change (int x){) ) public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()
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Aunt Sally is a traditional English game usually played in pub and fairgrounds in the 17th Century. We can use this idiom to express the meaning that someone becomes the target of public criticism.
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给定JAVA代码,如下:Class Parent{public void count() {System.out.println(10%3) ;}}public class Test extends Parent{public void count() {System.out.println(10/3) ;}public static void main(Stringargs[]) {Parent p = new Test() ;p.count() ;}}运行编译后,输出结果是()。
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给出下面代码: public class Parent{int change(){ }} class Child extends Parent{} 可加入类Child中的方法是( )。
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已知:class A{public:int a;int b();int f();int f(int);int g();};class B{public:char f();int g();private:int a;int b();};class C:public A,public B{};设有:C *pc;则:
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看下列程序 package a; class Parent { private int i = 20; protected int j = 30; public int k = 40; int h = 50; } class Child extends Parent { } class GrandSon extends Child { void f() { } } 在子类GrandSon的方法f()中不可以操作的变量是
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File类的构造方法public File(String parent, String child)中,参数child是( )
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分析如下所示的Java代码,则选项中的说法正确的是( )。 class Parent{ public String name; public Parent(String pName){ this.name = pName; } } public class Test extends Parent { //1 public Test(String Name){ //2 name=\hello
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已知定义public class Employee public class Manager extends Employee public class Contr已知定义public class Employee public class Manager extends Employee public class Contractor extends Employee Employee e=new Employee()
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对于类定义:class A{public:virtual void func1(){}void func2(){}};class B:public A{public:
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14、关于以下C代码的说法正确的是 public abstract class Animal { public abstract void Eat(); } public class Tiger : Animal { public override void Eat() { Console.WriteLine("老虎吃..."); } } public class Tigress : Tiger { static void Main() { Tigress tiger = new Tigress(); tiger.Eat(); } }
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某 Java源文件代码如下: public class A { int a; } class B { int b; } class C { public static void main()
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3、下面程序段中,说法正确的是() class location{ public : int GetX(); }; class rectangle:private location { public: int GetW(); };
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