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Difference between Abstract class and interface in Java
Abstract class Interface 1. A class become abstract when we use ' abstract ' keyword before the class nam...
Difference between Static and dynamic polymorphism
Static Polymorphism Dynamic Polymorphism 1. It is otherwise called as compiler-time polymorphism . 1.It is other...
Diffrence between Thread and Asynch task?
Thread 1)Process in execution is called Thread. 2)We can create thread by using Extending Thread or Implementing Runnable. 3)Thread ,we...
Difference between include and forward of RequestDispatcher in Servlet
include() forward() 1. It is used to include the response to the source servlet. 1. It is used to forward the requ...
Difference between DTD and SCHEMA
DTD : DTD support only two data type called PCDATA and CDATA. DTD does not alow to describe custom datatype. DTD does not support XML n...
Activity vs Fragment
Activity 1)Should have UI 2)Ability to retainState across Configuration Changed by using onRestoreInstanceState() and onSaveInstanceStat...
Angular JS Features.
Controller It is just a java script function. It contains data. It specifies the behavior. It should contain only the business logic n...
Difference Between String and StringBuilder
String String Builder 1. String is Immutable type. 1. StringBuilder is mutable type. 2. Existing object...
Difference Between Top-level class and Inner class in Java
Top-level class Inner class It cannot be declared as static . It can be declared as static. We cannot use...
Explain Activity LifeCycle.
1)onCreate() Called when activity is first created. 2)onStart()...
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What is the difference between ArrayList and HashMap ?
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Difference between Static and dynamic polymorphism
Difference between Abstract class and interface in...
Difference between Primitive type and Reference ty...
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