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//example of abstract class that have method body abstract class Bike{ Bike(){System.out.println("bike is created");} abstract void run(); void changeGear(){System.out.println("gear changed");} } class Honda extends Bike{ void run(){System.out.println("running safely..");} } class TestAbstraction2{ public static void main(String args[]){ Bike obj = new Honda(); obj.run(); obj.changeGear(); } }
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