Java Stream() is an amazing util class with lots of functionalities. We have published almost ~30+ Java8 Stream related tutorial on Crunchify and this one is on stream().boxed.collect() utility. We …
Java8 Archives...
Java8 is the next evolution version with lots of valuable APIs. Find here list of 50+ Java8 tutorials which we published on Crunchify. Java 8 Tutorial for Beginners – Learn Java 8 in simple and easy steps.
What is RegEx (Regular Expression) Pattern? How to use it in Java? Example Attached
What is RegEx? Regular Expression is a search pattern for String. java.util.regex Classes for matching character sequences against patterns specified by regular expressions in Java. You …
How to Sort a HashMap by Key and Value in Java 8 – Complete Tutorial
In Java 8 – How to sort a Map? On Crunchify we have written almost ~400 java tutorials and this one is an addition to Java8 category. I love Java collection and have multiple tutorials on How to …
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Java 8 java.time.temporal. TemporalAdjusters and Stream.flatMap() Tutorial
It's been almost 2 years Java 8 was released, March 2014. I'm sure most of the companies still using Java 7 with Apache Tomcat in their production environment but recently it's picking up some …
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Java StringJoiner, String.join() and Collectors.joining() Tutorial with all Details – 5 Different ways
Java Developer Platform 8 (Java8) is around since almost 3 years. We have published more than 10 different tutorials on Crunchify with all different abilities and handy utilities. Moving from one …
In Java How to Replace/Remove Characters from String?
How to remove/replace character in a String in Java? The String class represents character strings. All string literals in Java programs, such as "abc", are implemented as instances of this …
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In Java How to find a Line with Maximum Number of Words? Using Stream.forEach() Iterator
For any given file, Write a Java program to find a line with maximum number of words in it is a very common interview question. In other words, write a Java program to find longest line from …
In Java 4 Ways to Check if an Array Contains a Specific Value? IntStream, Arrays.asList (Linear Search Algorithm)
Java program for linear search algorithm. This is the simplest and complete solution for your if you want to check if ArrayList contains specific value such as String, Integer, Long or …
In Java How to Print all Environment Properties value using ProcessBuilder?
When you run Java Program locally in Terminal Window or in Eclipse IDE, there are lots of Environment Variable which plays key role during program execution. Here are list of Environment properties …
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