Declaration and Access Control What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }} None of these xyz abc Compilation clean but no output Compilation fails None of these xyz abc Compilation clean but no output Compilation fails ANSWER DOWNLOAD EXAMIANS APP
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. Any class in com.mypackage package. Only the Test class. None of these Any class that extends Test. Any class. Any class in com.mypackage package. Only the Test class. None of these Any class that extends Test. 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 we cannot assign radius to radius. 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 it does not have a main method. The program does not compile because Circle does not have a default constructor. The program has a compilation error because we cannot assign radius to radius. 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 it does not have a main method. The program does not compile because Circle does not have a default constructor. 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 IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 hello1 Compilation error. Hello2 InsideDemo 10 InsideDemo 10 Hello2 IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 hello1 Compilation error. Hello2 InsideDemo 10 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) 44 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) 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 4 (invalid argument type for method main ) Compile error at line 1 (static x must be only accessed inside static methods) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A package is a collection of Classes Editing tools Editing tools and Interfaces Interfaces Classes and Interfaces Classes Editing tools Editing tools and Interfaces Interfaces Classes and Interfaces ANSWER DOWNLOAD EXAMIANS APP
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