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 reference variables objects instance variables None of these reference variables objects 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 What is Math.floor(3.6)? 3.0 3 4 4.0 3.0 3 4 4.0 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 ) ; } } 0 None of these 2.0 Compile time error 0 None of these 2.0 Compile time error 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 Prints 0 Compilation Fails Prints 10 Prints 7 None of these Prints 0 Compilation Fails Prints 10 Prints 7 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following statements regarding static methods are correct?1. Static methods are difficult to maintain, because you can not change their implementation.2. Static methods can be called using an object reference to an object of the class in which this method is defined.3. Static methods are always public, because they are defined at class-level.4. Static methods do not have direct access to non-static methods which are defined inside the same class. 1 and 2 1 and 3 2 and 4 3 and 4 1 and 2 1 and 3 2 and 4 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
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