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. None of these Only the Test class. Any class in com.mypackage package. Any class that extends Test. Any class. None of these Only the Test class. Any class in com.mypackage package. Any class that extends Test. 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 r3 r2 post Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 post r3 r2 pre r1 r4 b1 b2 r2 r3 post r1 r4 pre b1 b2 r3 r2 post Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 post r3 r2 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What is the result of compiling and running the following code?class Base{ private Base(){ System.out.print("Base"); }}public class test extends Base{ public test(){ System.out.print("Derived"); } public static void main(String[] args){ new test(); }} Compilation Error Exception is thrown at runtime Derived BaseDerived Compilation Error Exception is thrown at runtime Derived BaseDerived 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) (II) and (III) Only (III) (I) and (II) Only (I) (I), (II) and (III) (II) and (III) Only (III) (I) and (II) Only (I) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }} one Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these Compile error - char can't be permitted in switch statement. two one Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these Compile error - char can't be permitted in switch statement. two 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 2 (constructors can't be static) 44 Compile error at line 4 (invalid argument type for method main ) Compile error at line 3 (static methods can't invoke this) Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 2 (constructors can't be static) 44 Compile error at line 4 (invalid argument type for method main ) Compile error at line 3 (static methods can't invoke this) Compile error at line 1 (static x must be only accessed inside static methods) ANSWER DOWNLOAD EXAMIANS APP
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