JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called None of these instance variables objects reference variables None of these instance variables objects reference variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } The sum of x and y is 9 does not compile None of these The sum of x and y is 45 The sum of x and y is 9 does not compile None of these The sum of x and y is 45 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 (1); constructor can't be private Won't compile because of line (5); constructor can't be final 50 10 50 Won't compile because of line (1); constructor can't be private Won't compile because of line (5); constructor can't be final 50 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is None of these There is no return type. A class object in which it is defined. void None of these There is no return type. A class object in which it is defined. void ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} 1 Compilation Error 2 3 None of these 1 Compilation Error 2 3 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} A 5 B 8 A B 5 None of these A B 8 B 8 A 5 A 5 B 8 A B 5 None of these A B 8 B 8 A 5 ANSWER DOWNLOAD EXAMIANS APP
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