class A { } class Alpha { private A myA = new A(); void dolt( A a ) { a = null; } void tryIt() { dolt( myA ); } } Which two statements are correct?()
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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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A developer is creating a class Book that needs to access class Paper.The Paper class is deployed in a JARnamedmyLib.jar.Whichthree,taken independently,will allow the developer to use the Paper class while compiling the Book class?()
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现有如下包结构: com -- x -- Alpha.class -- y -- Beta.class -- Gamma.class 和类: class Test { Alpha a; Beta b; Gamma c; } 哪三个必须加入到类 Test 中,以使其通过编译?()
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public class Alpha{ private static Character() ids; public static void main( String[] args){ ids = new Character[args.length]; for (int i=0; iids[i] = new Character( args[i] ); System.out.print( ids[i] ); } } } What is correct?()
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public class Alpha1 { public static void main( String[] args ) { boolean flag; int i=0; do { flag = false; System.out.println( i++ ); flag = i < 10; continue; } while ( (flag)? true:false ); } } What is the result?()
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The difference between a class A and a class B EPIRB is that the class A EPIRB().
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A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Bookclass?()
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现有包结构: com -- x -- Alpha.class -- y -- Beta.class -- Gamma.class 和类: //insert code here import com.*; import com.x.y.*; class Test { Alpha a; Beta b; Gamma c; } 哪两行分别插入后可允许代码编译?()
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class A { A() { } } class B extends A { } Which two statements are true?()
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现有: interface I { void go(); } abstract class A implements I { } class C extends A { void go(){ } } 结果是什么?()
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10. class Foo { 11. static void alpha() { /* more code here */ } 12. void beta() { /* more code here */ } 13. } Which two are true?()
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class Base { Base() { System.out.print(“Base”); } } public class Alpha extends Base { public static void main( String[] args ) { new Alpha(); new Base(); } } What is the result?()
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现有如F包结构: com 一一X 一一Alpha.class 一一y I 一一Beta.class l-- Gamma.class 和类: class Test { Alpha a; Beta b; Gamma c; } 哪三个必须加入到类Test中,以使其通过编译?()
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A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class?()
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class A { protected int method1(int a, int b) { return 0; } } Which two are valid in a class that extends class A?()
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class A{}class B{}class C extends A B{}//同时继承了两个父类
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下面程序输出的结果为()。 inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
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若类A和类B的定义如下;class A{ int i,j;public: int geti() {return i; }};clasS B:public A{ i
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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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若类A和类B的定义如下:class A{int i,public:void get();//...};class B:A//默认为私有派生{int
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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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13、下面程序的输出结果是()。 class J_Class { static int m_data=0; } class J_Test { public static void main(String []args) { J_Class a=new J_Class(); J_Class b=new J_Class(); a.m_data=1; b.m_data=2; System.out.println(a.m_data); } } A. 0 B.1 C. 2 D. 程序无法通过编译。
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10、LoRa网络包含基础LoRaWAN(称之为Class A)和可选功能(Class B,Class C)。
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