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Explain what occur when an object is created in Java?
What is an immutable object? An immutable object is one that we can't change once it's created. Steps involved in creation of an immutable object are: Make all of its data f
describe data abstraction
Converting Strings to Numeric Primitive Data Types To convert a string which is containing digits to a primitive data type, wrapper classes can help. parseXxx method can be u
Both functions send you to a new resource like JSP, Servlet etc. Normal 0 false false false EN-US X-NONE X-NONE
Java Is For Real Java has a lot of hype however much of it is deserved. Java is very well matched for many modern problems Using more CPU time and memory but less programmer
What is the basic difference among Publish Subscribe model and P2P model? Ans) Publish Subscribe model is typically used in one-to-many situation. It is unreliable but very quic
Inheritance - is the inclusion of state and behavior of a base class in a derived class so that they are accessible in that derived class. The key benefit of Inheritance is that
What is the importance of static variable? Static variables are class level variables where all objects of the class refer to the similar variable. If one object alters the val
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
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