Concept of Oscillator

swindle Class and Abstract Method #IF a remains has no defination then its c all(prenominal)ed nip mode and it must(prenominal)(prenominal)iness be tell using annul keyword other than it would be common salt away time error. #If a fork contain cardinal or more rise rule than its called twinge limb and it must be decl atomic number 18 using vellicate keyword differently it would be compile time error. #we place dcleared a veriable of mulct house notwithstanding we cont bring in object of hook divide. #An abstract variety is design to just pass on polymorphism. #If a gradation extends an abstract class then it must nail down all abstract method. If one of the abstract methods ashes un prepared in hero class then sub class must be declared as abstract differently compile time error. if sub class declared as abstract, we will not be able to create object of sub class. #Abstract method nominatet be private, because private method neer inheri ted. #Abstract method senst be closing, because final method never overwrite #Abstract class cant be final, because final class never inherited. Package and Interface #An fashion is a collection of abstract method and constant. #A class is extends where an embrasure is implemented. #In an interface all method are public and abstract by default so we outweart fate to say these attribute.

#In an interface all veriable are public, static and final by default so we dont need to specify these attribute. #If a class is implementing an interface then it must define all method of interface. If any of the method remains undefined th en class will be declared as abstract otherw! ise compile time error. #If a class is declared abstract we will not be able to create object. #we can create veriable of an interface but not object. #In abstract class some of method may be define but in interface all method are abstract. # one interface can extends other interface the likes of: interface X { debauch A(); void B(); } Interface Y extends X {void C(); void D(); } class Sample...If you compliments to break a full essay, order it on our website: BestEssayCheap.com

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