Why ArrayList class is not a synchronized class and why it is not a thread safe class? explain
1 4996what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)
2 11105I have 2 objects inside one object(vector). how can i serialize one of them. I dont want to serialize the second one
3 8915difference between String a; and String a=new String();? y do v need to assign memory to the variable?
2 5997Hi 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 6081
What are the supported platforms by java programming language?
What access modifiers can be used for class ?
Why string is immutable with example?
What do you mean by checked exceptions?
What is difference between class and object in java?
What are different types of expressions?
A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.
What is charat ()?
Can a class have multiple subclasses?
Explain the difference between jvm and jre?
What is executor memory?
What's the difference between an abstract class and interface in java?
What are the methods available in a class?
Why do we use predicate in java?
Does java allow default arguments?