JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these Test(void) public Test(void) Test( ) public Test( ) None of these Test(void) public Test(void) Test( ) public Test( ) 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);}} Won't compile because of line (1); constructor can't be private 10 50 50 Won't compile because of line (5); constructor can't be final Won't compile because of line (1); constructor can't be private 10 50 50 Won't compile because of line (5); constructor can't be final ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} Compilation clean but throws RuntimeException Compilation fails int long None of these Compilation clean but throws RuntimeException Compilation fails int long None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 4 3 3.0 4.0 4 3 3.0 4.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? MyClass(void) {} public MyClass(){} MyClass(){} public MyClass(void){} 1 and 3 MyClass(void) {} public MyClass(){} MyClass(){} public MyClass(void){} 1 and 3 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 2.0 Compile time error 0 None of these 2.0 Compile time error 0 ANSWER DOWNLOAD EXAMIANS APP