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Message: <blockquote data-quote="mldarshana" data-source="post: 18653494" data-attributes="member: 25657">Phone eken kotanne abstract widiyata, idea ekak gannaUse case diagram ekak kiyanne system ekaka overall functionality eka pennanna andina diagram ekak. Eken basic user interactions wena widiya pennanna puluwan. Basic symbols wenne actors (user), use case (functionality) , communication lines between users and functions.Inheritance uda pehadili karala thiyenawa. Mekata generalization kiyalath kiyanawa. E kiyanne design level ekedi similar classes wala common attributes & methods filter karala gannawa general class ekakata. Eka ethakota parent class ekak. Eke thiyena methods sub classes wala pennanawa. Ekata thamai inheritance kiyanne. Ekama method eka sub class/ child class ekaka wena widiyakata implement karanna puluwan. Ekata kiyanawa method overriding kiyala.Polymorphism uda pehadili karala thiyenawa. Saralawa many forms kiyana eka thamai. Class ekaka ekama namin methods thiyenna puluwan different parameters ekka. Ekata kiyanawa mehod overloading kiyala. Method overloading & overriding dekama polymorphism walata udaharana.</blockquote>

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