Abstract class and interfaces are completely different.
1) In an abstract class, you may also have some concrete methods( fully implemented. It can have all its methods as concrete, yet be...
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Abstract class and interfaces are completely different.
1) In an abstract class, you may also have some concrete methods( fully implemented. It can have all its methods as concrete, yet be...
Hi Sree,
Abstract class and interfaces are completely different.
1) In an abstract class, you may also have some concrete methods( fully implemented. It can have all its methods as concrete,...
Strings are immutable ie. once they are defined they cant be changed. so when you know that the data you are defining is going to change or get modified, aty that time you can use Strinmg Buffer.