Declaration and Access Control Which statements are most accurate regarding the following classes?class A{ private int i; protected int j;}class B extends A{ private int k; protected int m;} An object of B contains data fields k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, m. An object of B contains data fields j, k, m. An object of B contains data fields k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields j, m. An object of B contains data fields j, k, m. 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 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 ) Compile error at line 3 (static methods can't invoke this) Compile error at line 2 (constructors can't be static) 44 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class. volatile final native static abstract volatile final native static abstract 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"; }} None of these Compilation clean but no output abc xyz Compilation fails None of these Compilation clean but no output abc xyz Compilation fails 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 program will compile successfully and display 10 as output. None of these The will compile successfully and display 9 as output. The program will lead to runtime error. The program will lead to compilation error. The program will compile successfully and display 10 as output. None of these The will compile successfully and display 9 as output. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.*; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.*; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A(); 1 and 2 3 and 4 2 and 4 1 and 3 1 and 2 3 and 4 2 and 4 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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