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 A(String s); A a = new B(); All of these None of these A a = new B(5); A a = new A(String s); A a = new B(); All of these 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); }} 50 Won't compile because of line (5), constructor can't be static 10 50 Won't compile because of line (1), constructor can't be private 50 Won't compile because of line (5), constructor can't be static 10 50 Won't compile because of line (1), constructor can't be private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason 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. None 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? public MyClass(){} MyClass(){} 1 and 3 MyClass(void) {} public MyClass(void){} public MyClass(){} MyClass(){} 1 and 3 MyClass(void) {} public MyClass(void){} 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 0 2.0 Compile time error None of these 0 2.0 Compile time error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? double int void None of these double int void None of these ANSWER DOWNLOAD EXAMIANS APP
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