Posted in: Wipro
- What is the difference between an Interface and an Abstract class?
- What is the purpose of garbage collection in Java, and when is it used?
- Describe synchronization in respect to multithreading.
- Explain different way of using thread?
- What are pass by reference and passby value?
- What is HashMap and Map?
- Difference between HashMap and HashTable?
- Difference between Vector and ArrayList?
- Difference between Swing and Awt?
- What is the difference between a constructor and a method?
- What is an Iterator?
- State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of package relationships on declared items qualified by these modifiers.
- What is an abstract class?
- What is static in java?
- What is final?