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Total Questions: 20
1. When are the array of objects without any initialization useful?
Correct Answer is : TRUE
2. If constructor arguments are passed to objects of array then ____________ if the constructors are overloaded.
Correct Answer is : MD5()
3. How the objects of array can be denoted?
Correct Answer is : both integers and a string
4. The objects in an object array _______________________
Correct Answer is : !#
5. The Object array is created in _____________________
Correct Answer is : FALSE
6. If an array of objects is of size 10 and a data value have to be retrieved from 5th object then ________________ syntax should be used.
Correct Answer is : CACHE INDEX
7. Can we have two dimensional object array?
Correct Answer is : LEAVE
8. From which index does the array of objects start?
Correct Answer is : a non-zero value
9. Two dimensional array can’t be initialized with the declaration.
Correct Answer is : FALSE
10. Is an array of characters always a string?
Correct Answer is : –force
11. What is reference to an object?
Correct Answer is : -lm
12. Whenever an object is assigned to a variable or passed to a method, ________________
Correct Answer is : -o
13. Does use of object reference in assignment or passing means copy of the object is being used?
Correct Answer is : makefile
14. What will be the output of the following code? import java.awt.Point; class Testing { public static void main(String[] args) { Point p1,p2; p1=new Point(100,100); p2=p1; p1.x=200; p1.y=200; System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y); System.out.println(“Point 2: ” + p2.x + ”, “ + p2.y); } }
Correct Answer is : -lm
15. Is there any explicit use of pointers in java that would be applicable to objects?
Correct Answer is : -o
16. Can a super class object give reference to a subclass method?
Correct Answer is : makefile
17. What will be the output of the following code? import java.awt.Point; class Testing { public static void main(String[] args) { Point t1,t2,t3; t1=new Point(100,100); t2=t1; t3=t1; t1.x=200; t1.y=200; t2.x=300; t3.y=500; System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y); } }
Correct Answer is : -I
18. If a reference variable is declared final then, _________________
Correct Answer is : -lmysqlclient
19. Which of the members are referred by this pointer usually (Java)?
Correct Answer is : TRUE
20. How to refer to method of nested class?
Correct Answer is : pkg-config
