What is collection class in java? List down its methods and interfaces.
- 0 Answers
- 527 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
Difference between comparator and comparable in java?
what is polymorhism what is inheritance? what is Abstract n Interface? what if two interfaces have same method and a concrete class is implementing both the interfaces. Will there be a compilation error? What are mutable and immutable classes? How can u make a class mutable? when will u use dem ...explain with example? what is overriding and overloading? what is garbage collection? what is Thread? how do dey communicate? what are the different ways of implementing ? have u used any messaging technologies? what is synchronization? what are some additions in java 1.5? what are generics? whst is advanced for loop? what is finally block? can u have a try in finally? yes!! can u have a finally in finally? how do you write junits? when is a object eligible for garbage collection?explain? a = null and b has ref to a will b be eligible to be garbage collected? sql questions like diff joins? how do dey work? exception handling? what is marker interface? what is the need??
What is hashmap and map?
Is java an open source?
What is the difference between method overriding and overloading?
can you create interface instance ?
What is private static in java?
What is the default access specifier for variables and methods of a class?
What is the minimum and maximum length of an identifier?
How do you compare values in java?
Can we clone singleton object?
What is string variable?
Core Java 
