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 j, k, m. An object of B contains data fields i, 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 j, k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, m. 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 that extends Test. None of these Only the Test class. Any class. Any class in com.mypackage package. Any class that extends Test. None of these Only the Test class. Any class. Any class in com.mypackage package. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A package is a collection of Classes Interfaces Editing tools Editing tools and Interfaces Classes and Interfaces Classes Interfaces Editing tools Editing tools and Interfaces Classes and Interfaces 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 3 (static methods can't invoke this) 44 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 2 (constructors can't be static) Compile error at line 4 (invalid argument type for method main ) Compile error at line 3 (static methods can't invoke this) 44 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 2 (constructors can't be static) Compile error at line 4 (invalid argument type for method main ) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }} The program will lead to compilation error. None of these The program will compile successfully and display 10 as output. The program will lead to runtime error. The will compile successfully and display 9 as output. The program will lead to compilation error. None of these The program will compile successfully and display 10 as output. The program will lead to runtime error. The will compile successfully and display 9 as output. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}} r1 r4 pre b1 b2 post pre r1 r4 b1 b2 r2 r3 post Compilation fail r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 r3 r2 post r1 r4 pre b1 b2 post pre r1 r4 b1 b2 r2 r3 post Compilation fail r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 r3 r2 post ANSWER DOWNLOAD EXAMIANS APP
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