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 i, j, k, m. An object of B contains data fields j, k, m. An object of B contains data fields k, m. An object of B contains data fields j, 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 k, m. An object of B contains data fields j, m. 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 ");}} pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 post Compilation fail r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 post Compilation fail r1 r4 pre b1 b2 r3 r2 post 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;} 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. Any class. Only the Test class. Any class in com.mypackage package. 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){} void add(Integer... args){} static void add(int... args, int y){} static void add(int args...){} static void add(int[]... args){} static void add(int...args){} void add(Integer... args){} static void add(int... args, int y){} static void add(int args...){} ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the output for the below code ?public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); }} A static A static block A None of these A block static A static A static block A None of these A block static ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way. Only (I) Only (III) (II) and (III) (I), (II) and (III) (I) and (II) Only (I) Only (III) (II) and (III) (I), (II) and (III) (I) and (II) ANSWER DOWNLOAD EXAMIANS APP
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