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Java Programming by Pearson
book

Java Programming by Pearson

by Hari Mohan Pandey
May 2024
Intermediate to advanced content levelIntermediate to advanced
889 pages
37h 5m
English
Pearson India
Content preview from Java Programming by Pearson
254 • Java Programming
To make use of an interface, it has to be inherited by some class. An interface can also inherit the
interface for extending purpose. For inheriting an interface, either to a class or an interface, ‘implements’
keyword is used. Look at the example below.
class usedemo implements demo
{
public void fun()
{
System.out.println("Hello from fun");
}
}
All methods of interfaces when implementing in the class must be declared public otherwise, it may
result in compilation error.
Some other class might provide different implementation of method fun as given below.
class temp implements demo
{
public void fun() ...
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Publisher Resources

ISBN: 9781299486539