Author: Anonymous

22. ________ is invoked to create an object. a. A constructor b. The main method c. A method with a return type d. A method with the void return type

21. Analyze the following code:   public class Test {   public static void main(String[] args) {     A a = new A();     a.print();   } }   class A {   String s;   A(String s) {     this.s = s; }   void print() {     System.out.println(this.s);   } } a. The program has a compile error because class A is not a public class. b. The program has a compile error because class A does not have a default constructor. c. The program would compile and run if you change A a = new A() to A a = new A(“5”). d. option a and c e. option b and c

15. Which of the following statements are true? a. Data fields do not have default values. b. Local variables have default values. c. A variable of a primitive type holds a reference to the value of the primitive type. d. A variable of a reference type holds a reference to where an object is stored in the memory. e. All of the above.

4. If you declare an array double[] list = {3.4, 2, 3, 5.5}, list[1] is ________. a. 3.4 b. 2 c. 3 d. 2.0 e. None of the above  

25. A method that is associated with an individual object is called ________. a) an object method b) a static method c) an instance method d) a class method

q34. What is the output of the code?  

24. Variables that are shared by every instances of a class are ________. a) static variables b) public variables c) instance variables d) private variables

5. What is the output of the following code? a. 56 b.  67 c.  5 d.  6 e. None of the above

13. How can you initialize an array of two characters to ‘a’ and ‘b’? a. char[] charArray = new char[2]; charArray = {‘a’, ‘b’}; b. char[2] charArray = {‘a’, ‘b’}; c. char[] charArray = {‘a’, ‘b’}; d. all of the above

24. Variables that are shared by every instances of a class are ________. a) static variables b) public variables c) instance variables d) private variables