Blog: java revisited

223 blogs updated: 22 min. ago
How to Remove key value pairs or Entries from HashMap in Java 8
In the last article, I have shown how to remove key/value pairs from a map in Java based upon some conditions e.g. remove all entries where ...
18-08-2017 13:31:52 java revisited Beginners
How to enable/disable an element using jQuery and JavaScript? Example
Sometimes we need to enable and disable input elements e.g. text box, radio buttons or checkbox, how can we do it dynamically without loadin...
17-08-2017 18:07:18 java revisited Beginners
How to remove key value pair from Map during Iteration - Example tutorial
Suppose you have a Map e.g. HashMap or Hashtable, which contains key value pairs e.g. books and their prices, and you want to remove all boo...
16-08-2017 17:29:48 java revisited Beginners
10 tips to quickly become productive with new Project/Codebase
One of the main drawback of changing job or changing project it that you lost all subject matter expertise you have learned by working the l...
15-08-2017 18:21:34 java revisited Beginners
Java SE 8 Certification Books - Best of Lot Must Read
If you are preparing for Oracle Certified Associate, Java SE 8 Programmer, also known as Java SE 8 Programmer I or OCAJP8 exam and looking f...
14-08-2017 17:52:18 java revisited Beginners
Top 10 Java ConcurrentHashMap Interview Questions and Answers
The ConcurrentHashMap class part of concurrent collections added on JDK 1.5 e.g. BlockingQueue, CopyOnWriteArrayList, CopyOnWriteArraySet et...
13-08-2017 17:19:31 java revisited Beginners
How to convert a lambda expression to method reference in Java 8?
If you have been coding in Java 8 then you know that using method reference in place of lambda expression makes your code more readable, hen...
12-08-2017 14:07:46 java revisited Beginners
Top 5 Books to Learn Groovy for Java Developers - Best Of Lot, Must Read
Groovy is a programming language which is specially created for Java developers with a view to being a fast paced, scripting companion to Ja...
11-08-2017 16:07:24 java revisited Beginners
How to create a thread-safe ConcurrentHashSet in Java 8?
Until JDK 8, there was no way to create a large, thread-safe, ConcurrentHashSet in Java. The java.util.concurrent package doesn't even have ...
10-08-2017 17:56:32 java revisited Beginners
10 Differences between StringBuffer and StringBuilder in Java
StringBuffer and StringBuilder are two important classes in Java which represents mutable String i.e. the String object, whose value can be ...
09-08-2017 15:46:42 java revisited Beginners

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