Declaration and Access Control A package is a collection of Editing tools and Interfaces Classes Editing tools Classes and Interfaces Interfaces Editing tools and Interfaces Classes Editing tools Classes and Interfaces Interfaces ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{static{int a = 5;}public static void main(String args[]){new Test().call();}void call(){this.a++;System.out.print(this.a);}} 0 Runtime Exception Compile with error 6 5 0 Runtime Exception Compile with error 6 5 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. Only (I) (I) and (II) (II) and (III) (I), (II) and (III) Only (III) Only (I) (I) and (II) (II) and (III) (I), (II) and (III) Only (III) 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 in com.mypackage package. Any class. Only the Test class. Any class that extends Test. None of these Any class in com.mypackage package. Any class. Only the Test class. Any class that extends Test. 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;int y = 9; public Tester(){System.out.print(this.x); // line 1printVariables();}public static void printVariables(){System.out.print(x); // line 2System.out.print(y); // line 3}public static void main(String... args) { // line 4new Tester();}} Compile error at line 2 (must access x by writing Tester.x) Compile error at line 3 (static methods can't make reference to non-static variables) 49 Compile error at line 4 (invalid argument type for method main) Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 2 (must access x by writing Tester.x) Compile error at line 3 (static methods can't make reference to non-static variables) 49 Compile error at line 4 (invalid argument type for method main) Compile error at line 1 (static x must be only accessed inside static methods) ANSWER DOWNLOAD EXAMIANS APP
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