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 that extends Test. Any class in com.mypackage package. Any class. Only the Test class. None of these Any class that extends Test. Any class in com.mypackage package. 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 printing 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. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?public class Tester{static int x = 4;public Tester(){System.out.print(this.x); // line 1Tester();}public static void Tester(){ // line 2System.out.print(this.x); // line 3}public static void main(String... args){ // line 4new Tester();}} Compile error at line 2 (constructors can't be static) Compile error at line 3 (static methods can't invoke this) Compile error at line 4 (invalid argument type for method main ) Compile error at line 1 (static x must be only accessed inside static methods) 44 Compile error at line 2 (constructors can't be static) Compile error at line 3 (static methods can't invoke this) Compile error at line 4 (invalid argument type for method main ) Compile error at line 1 (static x must be only accessed inside static methods) 44 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 public and private. Declare the method with the keyword protected. Declare the method with the keyword private. Declare the method with the keyword public. 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 private. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?public class Tester{static int x = 4;int y = 9; public Tester(){System.out.print(this.x); // line 1printVariables();}public static void printVariables(){System.out.print(x); // line 2System.out.print(y); // line 3}public static void main(String... args) { // line 4new Tester();}} Compile error at line 2 (must access x by writing Tester.x) Compile error at line 3 (static methods can't make reference to non-static variables) 49 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 4 (invalid argument type for method main) Compile error at line 2 (must access x by writing Tester.x) Compile error at line 3 (static methods can't make reference to non-static variables) 49 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 4 (invalid argument type for method main) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class. volatile native static abstract final volatile native static abstract final ANSWER DOWNLOAD EXAMIANS APP
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