Why do we need singleton?
Can you explain the Java thread lifecycle?
What is a ternary operator in java? What is an interface?
Why is string class considered immutable?
Tell me about different OOPS concepts.
What is contractor means and methods?
What is java autoboxing?
when a request is generated from apache tomcat 5.5 and goes to oracle 10g or mysql,,, how the oracle or mysql reads the request as apache is a web server and oracle 10g is application server? when the oracle 10g provides response, how the apche tomcat reads it???
What is the difference between iterator and list iterator?
what is net based application and its types
Can we overload the methods by making them static?
When the constructor of a class is invoked?
What do you mean by singleton class in java?