Answer Posted / subham chaudhary
It is an object of some class whose purpose is to indicate that a real object of that class does not exist. One common use for a null object is a return value from a member function that is supposed to return an object with some specified properties but cannot find such an object.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What modifiers are allowed for methods in an interface?
What is an error in java?
How can we make a class singleton?
What is the difference between throw and throws in java?
How do you use wildcards?
What are variable arguments or varargs?
What is java used for on a computer?
Explain about wait() method?
List implementations of list interface?
What is java and its types?
Explain the pointers in Java?
What is singleton math?
Why string is immutable with example?
How java enabled high performance?
What are the problems faced by java programmers who don't use layout managers?
