JAVA Constructors and Methods What will be the return type of a method that not returns any value? None of these double int void None of these double int void ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }} None of these Compilation Fails Prints 7 Prints 0 Prints 10 None of these Compilation Fails Prints 7 Prints 0 Prints 10 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following options is the best for generating random integer 0 or 1? (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason None of these It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. It can be executed without creating any instance of the class. None of these It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. It can be executed without creating any instance of the class. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class MyClass{ MyClass(){ System.out.print("one"); } public void myMethod(){ this(); System.out.print("two"); }} public class TestClass{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.myMethod(); }} Compilation Error None of these two one one one one two one Exception Compilation Error None of these two one one one one two one Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile {private Profile(int w) { // line 1System.out.print(w);}public final Profile() { // line 5System.out.print(10);}public static void main(String args[]) {Profile obj = new Profile(50);}} 10 50 Won't compile because of line (5); constructor can't be final 50 Won't compile because of line (1); constructor can't be private 10 50 Won't compile because of line (5); constructor can't be final 50 Won't compile because of line (1); constructor can't be private ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS