Declaration and Access Control A package is a collection of Classes and Interfaces Interfaces Editing tools Editing tools and Interfaces Classes Classes and Interfaces Interfaces Editing tools Editing tools and Interfaces Classes 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 3 (static methods can't invoke this) Compile error at line 2 (constructors can't be static) 44 Compile error at line 1 (static x must be only accessed inside static methods) 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 2 (constructors can't be static) 44 Compile error at line 1 (static x must be only accessed inside static methods) Compile error at line 4 (invalid argument type for method main ) 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);}} Runtime Exception 5 6 Compile with error 0 Runtime Exception 5 6 Compile with error 0 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control The object is created with new keyword None of these At run-time At Compile-time Depends on the code None of these At run-time At Compile-time Depends on the code 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 fails Compilation clean but no output abc xyz None of these Compilation fails Compilation clean but no output abc xyz None of these 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. Any class in com.mypackage package. Any class that extends Test. None of these Only the Test class. Any class. Any class in com.mypackage package. Any class that extends Test. None of these Only the Test class. ANSWER DOWNLOAD EXAMIANS APP
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