What are the types of arrays in java?
In which order the iterator iterates over collection?
Is java jre still free?
Why do we need data serialization?
Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?
What is the final class modifier?
What modifiers can be used with a local inner class?
Differentiate between overriding and overloading cases?
There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?
How can we break singleton in java?
Does garbage collection occur in permanent generation space in jvm?
What is the difference between throw and throws keywords?
How do you insert a line break?