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 B(5); All of these A a = new B(); A a = new A(String s); None of these A a = new B(5); All of these A a = new B(); A a = new A(String s); None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? int double void None of these int double void None of these 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);}} 50 Won't compile because of line (5); constructor can't be final 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 final 10 50 Won't compile because of line (1); constructor can't be private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these public Test( ) Test( ) Test(void) public Test(void) None of these public Test( ) Test( ) Test(void) public Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? private static protected public private static protected public ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 4.0 3 4 3.0 4.0 3 4 3.0 ANSWER DOWNLOAD EXAMIANS APP
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