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 in com.mypackage package. Any class that extends Test. Only the Test class. Any class. None of these Any class in com.mypackage package. Any class that extends Test. Only the Test class. Any class. 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. 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. 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); }} one two 0 Compile time error. one two 10 one two 1 None of these one two 0 Compile time error. one two 10 one two 1 None of these 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(); }} BaseDerived Exception is thrown at runtime Derived Compilation Error BaseDerived Exception is thrown at runtime Derived Compilation Error ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here} static void add(int args...){} static void add(int... args, int y){} static void add(int...args){} void add(Integer... args){} static void add(int[]... args){} static void add(int args...){} static void add(int... args, int y){} static void add(int...args){} void add(Integer... args){} static void add(int[]... args){} 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 4 (invalid argument type for method main ) Compile error at line 2 (constructors can't be static) 44 Compile error at line 3 (static methods can't invoke this) 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 (constructors can't be static) 44 Compile error at line 3 (static methods can't invoke this) Compile error at line 1 (static x must be only accessed inside static methods) ANSWER DOWNLOAD EXAMIANS APP
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