Explain the purpose of garbage collection in Java?
define polymorphism in java
What is use of super keyword in java?
When does the compiler supply a default constructor for a class?
Explain the importance of finally block in java?
How garbage collection is done in java?
Can two objects have same hashcode?
What is a jagged array in java?
What is a protected void?
Can variables be used in java without initialization?
What are the three best choices for a development environment?
Is a boolean 1 bit?
How many unicode characters are there?