Declaration and Access Control Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way. Only (III) Only (I) (II) and (III) (I) and (II) (I), (II) and (III) Only (III) Only (I) (II) and (III) (I) and (II) (I), (II) and (III) 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(); }} Derived Compilation Error BaseDerived Exception is thrown at runtime Derived Compilation Error BaseDerived Exception is thrown at runtime ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{static{int a = 5;}public static void main(String args[]){new Test().call();}void call(){this.a++;System.out.print(this.a);}} Runtime Exception 0 5 6 Compile with error Runtime Exception 0 5 6 Compile with error 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(); }} None of these A block static A static block A static A None of these A block static A static block A static A 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 public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. Declare the method with the keyword private. Declare the method with the keyword public and private. Declare the method with the keyword public. Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. Declare the method with the keyword private. Declare the method with the keyword public and private. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A(); 1 and 2 1 and 3 2 and 4 3 and 4 1 and 2 1 and 3 2 and 4 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
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