JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Array Stack Storage Area Heap Array Stack Storage Area Heap ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following statements regarding static methods are correct?1. Static methods are difficult to maintain, because you can not change their implementation.2. Static methods can be called using an object reference to an object of the class in which this method is defined.3. Static methods are always public, because they are defined at class-level.4. Static methods do not have direct access to non-static methods which are defined inside the same class. 1 and 2 3 and 4 2 and 4 1 and 3 1 and 2 3 and 4 2 and 4 1 and 3 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 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 static Won't compile because of line (1), constructor can't be private 10 50 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } None of these does not compile The sum of x and y is 45 The sum of x and y is 9 None of these does not compile The sum of x and y is 45 The sum of x and y is 9 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? static protected public private static protected public private ANSWER DOWNLOAD EXAMIANS APP
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) (int)Math.random() + 1 (int)(Math.random() + 0.5) (int)Math.random() (int)(Math.random() + 0.2) ANSWER DOWNLOAD EXAMIANS APP