Declaration and Access Control The object is created with new keyword At Compile-time Depends on the code None of these At run-time At Compile-time Depends on the code None of these At run-time 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 does not compile because Circle does not have a default constructor. 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 we cannot assign radius to radius. 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 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 we cannot assign radius to radius. The program has a compilation error because it does not have a main method. 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 r1 r4 pre b1 b2 r3 r2 post Compilation fail r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 post pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 r3 r2 post Compilation fail r1 r4 pre b1 b2 post r3 r2 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. 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 Any class in com.mypackage package. 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 public and private. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public. Declare the method with the keyword private. Declare the method with the keyword protected. Declare the method with the keyword public and private. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public. Declare the method with the keyword private. Declare the method with the keyword protected. 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 runtime error. The program will lead to compilation error. The will compile successfully and display 9 as output. The program will compile successfully and display 10 as output. None of these The program will lead to runtime error. The program will lead to compilation error. The will compile successfully and display 9 as output. The program will compile successfully and display 10 as output. None of these ANSWER DOWNLOAD EXAMIANS APP