Why ArrayList class is not a synchronized class and why it is not a thread safe class? explain
1 4247what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)
2 10208I have 2 objects inside one object(vector). how can i serialize one of them. I dont want to serialize the second one
3 7679difference between String a; and String a=new String();? y do v need to assign memory to the variable?
2 5116Hi can u pls tell me what is the use of marker interface. Iknow what is marker interface but what ability will the object get by implementing this.
CGI,
3 4877
What is another word for methodology?
What is meant by class loader? How many types are there? When will we use them?
Explain the different forms of polymorphism?
What is a pattern what is an anti pattern?
What is finalize method?
What is meant by null and void?
What is the parse method in java?
Is null keyword in java?
How does compareto method work?
What is a Transient Object?
What is square root in java?
What does the three dot emoji mean?
What is the purpose of the finalize() method?
how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread
What is casting in java programming?