What is singleton class in java and how can we make a class singleton?
What class of exceptions are generated by the java run-time system?
How to make a method thread safe without using synchronized keyword?
8 Answers Persistent, Societe Generale,
What are filterstreams?
How to print nodes of a Binary tree?
How do you print array in java?
What happens when a class is made static like if a field or member is made static it becomes class variable and is shared by all the object of the class?
Is java supports multiple inheritance? explain?
Explain why wait(), notify() and notifyall() methods are in object class rather than in the reading class?
Why are functions called methods in java?
Is Java a dying language?
Why map is used in java?
Can a private method of a superclass be declared within a subclass?