JAVA Constructors and Methods
Which of the following options is the best for generating random integer 0 or 1?

(int)Math.random() + 1
(int)(Math.random() + 0.5)
(int)Math.random()
(int)(Math.random() + 0.2)

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); }}

None of these
Compilation clean but throws RuntimeException
long
Compilation fails
int

ANSWER DOWNLOAD EXAMIANS APP

JAVA Constructors and Methods
The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}}

At line 1, constructor Tester must be marked public like its class
At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor
At line 4
At line 2, constructor call

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 (5); constructor can't be final
Won't compile because of line (1); constructor can't be private
10 50
50

ANSWER DOWNLOAD EXAMIANS APP