Given:10. interface Data { public void load(); }11. abstract class Info { public abstract void load(); }Which class correctly uses the Data interface and Info class?()()
Given: 1.package test; 2. 3.class Target { 4.public String name = "hello";5.} What can directly access and change the value of the variable name?()
Given: 10.interface Data { public void load(); } 11.abstract class Info { public abstract void load(); } Which class correctly uses the Data interface and Info class?()
1. public class Test { 2. int x= 12; 3. public void method(int x) { 4. x+=x; 5. System.out.println(x); 6. } 7. } Given: 34. Test t = new Test(); 35. t.method(5); What is the output from line 5 of the Test class?()
Given: package com.sun.scjp; public class Geodetics { public static final double DIAMETER = 12756.32; //kilometers } Which two correctly access the DIAMETER member of the Geodetics class?() https://assets.asklib.com/images/image2/2018080114194111528.jpg
Given the following class, which statements can be inserted at position 1 without causing the code to fail compilation?() public class Q6db8 { int a; int b = 0; static int c; public void m() { int d; int e = 0; // Position 1 } }
Given the following code: public class Person{ int arr[] = new int[10]; public static void main(String a[]) { System.out.println(arr[1]); } } Which statement is correct?()
现有: public class Pet() public class Cat extends Pet{) 执行代码 Cat c- new Cat(); Pet p= (Pet)c; 后下列哪项是正确的?()
Given: 1. public class Method Over { 2. public void set Var (int a, int b, float c) { 3. } 4. } Which two overload the set Var method()?
Given the following code: public class Person{ static int arr[] = new int[10]; public static void main(String a[]) { System.out.println(arr[1];) } } Which statement is correct?()
1.public class Test{ 2.int x=12; 3.public void method(intx){ 4.x+=x; 5.System.out.println(x); 6.} 7.} Given: 34.Test t=new Test(); 35.t.method(5); What is the output from line 5 of the Test class?()
public class Test { public static void main(String [] args) { boolean assert = true; if(assert) { System.out.println(”assert is true”); } } } Given: javac -source 1.3 Test.java What is the result?()
1. public class A { 2. public String doit(int x, int y) { 3. return “a”; 4. } 5. 6. public String doit(int... vals) { 7. return “b”; 8. } 9. } Given: 25. A a=new A(); 26. System.out.println(a.doit(4, 5)); What is the result?()
现有: public class Pet() public class Cat extends Pet{) 执行代码 Cat c- new Cat(); Pet p= (Pet)c; 后下列哪项是正确的?()
interface A { public int getValue() } class B implements A { public int getValue() { return 1; } } class C extends B { // insert code here } Which three code fragments, inserted individually at line 15, make use of polymorphism?()
Given 1. public class Foo { 2. public static void main (String [] args) } 3. try { return;} 4. finally { Syste.out.printIn (“Finally”);} 5. } 6. } What is the result()?
Given: 310-025 Leading the way in IT testing and certification tools, www.testking.com - 48 - public class foo { static String s; public static void main (Stringargs) { system.out.printIn (“s=” + s); } } What is the result?()
包pack1的类c_ass1中有成员方法:protected void method_1(){…},private void method_2(){…},public void method_3(){…}和 void method_4(){…},在包pack2中的类class2是class1的子类,它在class2中可以调用方法()。
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:
Given the uncompleted code of a class:class Person { String name, department; int age; public Person(String n){ name = n; } public Person(String n, int a){ name = n; age = a; } public Person(String n,
某 Java源文件代码如下: public class A { int a; } class B { int b; } class C { public static void main()
Given: public class Test { public static void main (); } } What is the result?
1、读下面的程序,写出输出结果include <iostream> using namespace std; class A { public: A(int i) {cout<<"constructing A "<<i<<endl;} }; class B { public: B(int j) {cout<<"constructing B "<<j<<endl;} }; class C: public A, public B { public: C(int a, int b, int c, int d): A(a), mB(d), mA(c),B(b) { } private: B mB; A mA; }; int main() { C obj(1,2,3,4); return 0; }
Given a class Repetition:1.package utils;2.3.public class Repetition{4.public static String twice(Strings){returns+s;}5.}and given another class Demo:1.//insert code here2.3.public class Demo{4.public static void main(String[]args){5.System.out.println(twice("pizza"));6.}7.}Which code should be inserted at line 1 of Demo.java to compile and run Demo to printpizzapizza”?()