Describe what happens when an object is created in java ?
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What is immutable class in java?
What is reverse function?
What do heavy weight components mean in java programming?
What is meant by polymorphism?
There are 2 different ways to create an object. a)By using keyword "new" b)By using Class.forName ("className").newInstance(); What is the difference between these 2 methods.
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???
Why is a singleton bad?
Can constructor be protected in java?
which of tha following is not a thread safe class? a) ArrayList b)Vector c)HashTable d)None
what is difference between String buffer and String builder?
what is the use of servlet engine?
Can you explain the Java thread lifecycle?