JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables None of these objects reference variables instance variables None of these objects reference variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason None of these It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. None of these It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. 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()); }} Prints 7 Prints 10 Prints 0 None of these Compilation Fails Prints 7 Prints 10 Prints 0 None of these Compilation Fails ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } } None of these Compile time error 0 2.0 None of these Compile time error 0 2.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? public MyClass(){} 1 and 3 public MyClass(void){} MyClass(){} MyClass(void) {} public MyClass(){} 1 and 3 public MyClass(void){} MyClass(){} MyClass(void) {} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? None of these A a = new A(String s); A a = new B(5); All of these A a = new B(); None of these A a = new A(String s); A a = new B(5); All of these A a = new B(); ANSWER DOWNLOAD EXAMIANS APP