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.

In Java8 How to join List of Objects? Collectors.joining Concatenates the input Elements, separated by the Delimiter

January 6th, 2018 by App Shah

Collectors.joining() Concatenates the input Elements, separated by the Delimiter with provided Prefix and Suffix values. Yesterday I've published an article on StringJoiner(), ...
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In Java8 – How to Convert Array to Stream using Arrays.stream() and Stream.of() Operations

December 17th, 2017 by App Shah

Java8 is pretty amazing. With lots of new features and Stream APIs Java8 is one of the best release we had last year. In this tutorial we will go over how to convert Array to Stream using ...
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Java8 StringJoiner, String.join() and Collectors.joining() Tutorial with all Details – 5 Different ways

November 2nd, 2017 by App Shah

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 ...
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All in one Java Regex, Matcher Pattern and Regular Expressions Tutorial

September 30th, 2017 by App Shah

In this tutorial we will go over list of Matcher (java.util.regex.Matcher) APIs. Sometime back I've written a tutorial on Java Regex which covers wide variety of samples. Regular ...
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In Java How to Print all Environment Properties value using ProcessBuilder?

September 14th, 2017 by App Shah

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 ...
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In Java How to find a Line with Maximum Number of Words? Using Stream.forEach() Iterator

July 14th, 2018 by App Shah

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 ...
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4 Ways to Check if Array Contains a Specific Value in Java8? IntStream and Arrays.asList Tutorial

August 21st, 2017 by App Shah

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 Double. With the combination of Java7 and ...
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Best way to convert Primitive Array to List in Java8 and Classic toString(), Iterator way

August 17th, 2017 by App Shah

Java8 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() ...
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How to Sort a HashMap by Key and Value in Java 8 – Complete Tutorial

July 14th, 2018 by App Shah 1

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 ...
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