Java

ScheduledExecutorService example in Java

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You can use ScheduledExecutorService to run methods or tasks periodically in java. Check the example below.   import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; public class BeepControlExecutor { public static void main(String[] args) […]

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Java

Check an array is a Palindrome in Java

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A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward. This example show how you are going to check a given array is […]

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Java

How to implement an immutable class in Java

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  You will need to understand what is immutable type in java. Once you have created an immutable type object you can update or modify it. Below example show how immutable object […]

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Java

Abstract Class and Abstract methods in Java 01

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Abstract class is also a class which is declared as abstract and this cannot be instantiated like normal java class even though it can be sub classed.

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Java

Default method in interface in java – part 1

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This default method comes to scene when developers need to update existing interface without updating that interface implement classes updating. Default methods must have to have an implementation.  And developer can update […]

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Java

Interfaces in Java – Part 2

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When you define an interface if you make interface public then any class can access it and if you did not use word of public then it will only accessible to classes […]

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