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 ? 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(); None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test(void) public Test( ) Test( ) None of these Test(void) public Test(void) public Test( ) Test( ) None of these Test(void) 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 instance variables objects reference variables None of these instance variables objects reference variables ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile { private Profile(int w) { // line 1 System.out.print(w); } public static Profile() { // line 5 System.out.print (10); } public static void main(String args[]) { Profile obj = new Profile(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 static 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 static 50 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(); }} one Exception None of these two one one Compilation Error one one two one Exception None of these two one one Compilation Error one one two ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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