Declaration and Access Control A package is a collection of Classes and Interfaces Editing tools Classes Editing tools and Interfaces Interfaces Classes and Interfaces Editing tools Classes Editing tools and Interfaces Interfaces 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. Only the Test class. Any class in com.mypackage package. None of these Any class that extends Test. Any class. Only the Test class. Any class in com.mypackage package. None of these Any class that extends Test. 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? It will fail to compile. Runtime error Compiles and runs printing Compiles and runs with no output. It will fail to compile. Runtime error Compiles and runs printing Compiles and runs with no output. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;} An object of B contains data fields k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, k, m. An object of B contains data fields j, m. An object of B contains data fields k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, k, m. An object of B contains data fields j, m. 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 1 (static x must be only accessed inside static methods) Compile error at line 3 (static methods can't invoke this) Compile error at line 2 (constructors can't be static) Compile error at line 4 (invalid argument type for method main ) 44 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 3 (static methods can't invoke this) Compile error at line 2 (constructors can't be static) Compile error at line 4 (invalid argument type for method main ) 44 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
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