JAVA Constructors and Methods The implicit return type of a constructor is void A class object in which it is defined. There is no return type. None of these void A class object in which it is defined. There is no return type. None of these 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. 2 and 4 1 and 3 3 and 4 1 and 2 2 and 4 1 and 3 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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(); All of these A a = new A(String s); A a = new B(5); None of these A a = new B(); All of these A a = new A(String s); A a = new B(5); None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called objects None of these instance variables reference variables objects None of these instance variables reference variables 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); }} Won't compile because of line (5), constructor can't be static 50 10 50 Won't compile because of line (1), constructor can't be private Won't compile because of line (5), constructor can't be static 50 10 50 Won't compile because of line (1), constructor can't be private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} None of these Compile fail due to error on line no 8 Compile fail due to error on line no 2 15 Compile fail due to error on line no 9 None of these Compile fail due to error on line no 8 Compile fail due to error on line no 2 15 Compile fail due to error on line no 9 ANSWER DOWNLOAD EXAMIANS APP
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