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 Which of the following options is the best for generating random integer 0 or 1? (int)Math.random() + 1 (int)Math.random() (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) (int)Math.random() + 1 (int)Math.random() (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) 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 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 1, constructor Tester must be marked public like its class At line 4 At line 2, constructor call At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 1, constructor Tester must be marked public like its class At line 4 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); }} 10 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 50 10 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 50 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result? 5 8 0 0 0 8 5 0 5 8 0 0 0 8 5 0 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
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