Declaration and Access Control A package is a collection of Classes Classes and Interfaces Interfaces Editing tools Editing tools and Interfaces Classes Classes and Interfaces Interfaces Editing tools Editing tools and Interfaces ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control You have the following code in a file called Test.javaclass Base{ public static void main(String[] args){ System.out.println("Hello"); }}public class Test extends Base{}What will happen if you try to compile and run this? Compiles and runs with no output. Runtime error It will fail to compile. Compiles and runs printing Compiles and runs with no output. Runtime error It will fail to compile. Compiles and runs printing ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }} Compilation Error BaseDerived Exception is thrown at runtime Derived Compilation Error BaseDerived Exception is thrown at runtime Derived ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the output for the below code ?public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); }} A block static A static A static block A None of these A block static A static A static block A None of these ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction? Declare the method with the keyword private. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword protected. Declare the method with the keyword public. Declare the method with the keyword private. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword protected. Declare the method with the keyword public. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Choose the correct statementpublic class Circle{ private double radius; public Circle(double radius){ radius = radius; }} The program has a compilation error because it does not have a main method. The program will compile, but we cannot create an object of Circle with a specified radius. The object will always have radius 0. The program has a compilation error because we cannot assign radius to radius. The program does not compile because Circle does not have a default constructor. The program has a compilation error because it does not have a main method. The program will compile, but we cannot create an object of Circle with a specified radius. The object will always have radius 0. The program has a compilation error because we cannot assign radius to radius. The program does not compile because Circle does not have a default constructor. ANSWER DOWNLOAD EXAMIANS APP
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