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 j, k, m. An object of B contains data fields i, j, k, m. An object of B contains data fields 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 i, j, k, m. An object of B contains data fields k, m. An object of B contains data fields j, m. 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 abc Compilation clean but no output xyz Compilation fails None of these abc Compilation clean but no output xyz Compilation fails 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 3 (static methods can't make reference to non-static variables) 49 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 4 (invalid argument type for method main) Compile error at line 3 (static methods can't make reference to non-static variables) 49 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 4 (invalid argument type for method main) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}} InsideDemo 10 Hello2 hello1 Compilation error. IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 Hello2 InsideDemo 10 InsideDemo 10 Hello2 hello1 Compilation error. IllegalArgumentException is thrown at runtime. InsideDemo 10 Hello2 Hello2 InsideDemo 10 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction? Declare the method with the keyword public. Declare the method with the keyword protected. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword private. Declare the method with the keyword public. Declare the method with the keyword protected. Do not declare the method with any accessibility modifiers. Declare the method with the keyword public and private. Declare the method with the keyword private. ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output after compiling and running following program code?public class Test{ static int a; public static void main(String[] args){ System.out.println("one"); call(1); } static void call(int a){ this.a=10; System.out.println("two "+a); }} None of these Compile time error. one two 10 one two 1 one two 0 None of these Compile time error. one two 10 one two 1 one two 0 ANSWER DOWNLOAD EXAMIANS APP
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