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 B(5); A a = new B(); A a = new A(String s); All of these None of these A a = new B(5); A a = new B(); A a = new A(String s); All of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? 1 and 3 public MyClass(void){} MyClass(){} public MyClass(){} MyClass(void) {} 1 and 3 public MyClass(void){} MyClass(){} public MyClass(){} MyClass(void) {} 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 45 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 2 Compile fail due to error on line no 8 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 2 Compile fail due to error on line no 8 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); }} B 8 A 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called None of these objects reference variables instance variables None of these objects reference variables instance variables ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS