Declaration and Access Control What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;} Any class. Only the Test class. None of these Any class in com.mypackage package. Any class that extends Test. Any class. Only the Test class. None of these Any class in com.mypackage package. Any class that extends Test. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output after compiling and running following program code?public class Test{ static int a; public static void main(String[] args){ System.out.println("one"); call(1); } static void call(int a){ this.a=10; System.out.println("two "+a); }} None of these one two 0 one two 10 Compile time error. one two 1 None of these one two 0 one two 10 Compile time error. one two 1 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A package is a collection of Classes and Interfaces Editing tools and Interfaces Interfaces Editing tools Classes Classes and Interfaces Editing tools and Interfaces Interfaces Editing tools Classes ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}} InsideDemo 10 Hello2 hello1 InsideDemo 10 Hello2 Hello2 InsideDemo 10 Compilation error. IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 hello1 InsideDemo 10 Hello2 Hello2 InsideDemo 10 Compilation error. IllegalArgumentException is thrown at runtime. 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(); 3 and 4 1 and 3 1 and 2 2 and 4 3 and 4 1 and 3 1 and 2 2 and 4 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? Do not declare the method with any accessibility modifiers. Declare the method with the keyword protected. Declare the method with the keyword public and private. 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 protected. Declare the method with the keyword public and private. Declare the method with the keyword public. Declare the method with the keyword private. ANSWER DOWNLOAD EXAMIANS APP
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