What is the difference between an interface and an abstract class?
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What is byte data type?
What is data type example?
What are Font and FontMetrics classes?
Explain the private field modifier?
In how many ways we can do exception handling in java?
Where the CardLayout is used?
what is mutual exclusion? : Java thread
How do you clear a list in java?
take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).
which of tha following is not a thread safe class? a) ArrayList b)Vector c)HashTable d)None
What is difference between hashset and hashmap?
What are the different types of inheritance in java?