ash.28.88

Swing is in javax package. So we need to import javax.swing.*;

abstract classes containing abstract and non-abstract methods.These are used to acheived polymorphism by overriding all the abstract method and essential non-abstract methods.Interfaces are the special class of the abstract classes.All the methods in Interface are must be abstract otherwise it will give COMPILE TIME ERROR.In case of Interfaces all the …

kathy sierra...and black book also good for java.....

a=b and si=s2.... a=b mean if b hold any value such as b=10,then value of b is assign to a.it mean a also holds the value 10. si=s2 mean si take reference of s2 to hold the value which is hold by s2....

> System.out.println();

http://www.daniweb.com/software-development/java/threads/99132/starting-java-java-tutorials-resources-faq

hi, public amd private are the access modifire.This modifires are allowed on variables,methods and classes. If we want to access a class anywhere then make this class as public using public keyword. In the case PACKAGE,public class can be access within the same package or in the other package But …

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