Declaration and Access Control The object is created with new keyword Depends on the code At run-time None of these At Compile-time Depends on the code At run-time None of these At Compile-time 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;} 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. Any class. Any class in com.mypackage package. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct? In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined. From within protected methods you do not have access to public methods. This method is only accessible from inside the class itself and from inside all subclasses. This method is accessible from within the class itself and from within all classes defined in the same package as the class itself. In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined. From within protected methods you do not have access to public methods. This method is only accessible from inside the class itself and from inside all subclasses. This method is accessible from within the class itself and from within all classes defined in the same package as the class itself. ANSWER DOWNLOAD EXAMIANS APP
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"; }} Compilation clean but no output abc xyz Compilation fails None of these Compilation clean but no output abc xyz Compilation fails None of these 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. (I), (II) and (III) (I) and (II) (II) and (III) Only (I) Only (III) (I), (II) and (III) (I) and (II) (II) and (III) Only (I) Only (III) 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 r1 r4 pre b1 b2 post r3 r2 Compilation fail pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 r3 r2 post r1 r4 pre b1 b2 post r1 r4 pre b1 b2 post r3 r2 Compilation fail pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 r3 r2 post ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS