Category: Articles

Java String toLowerCase() returns a string which is result of converting all characters in given string to lowercase. Convert string to lowercase in Java.

Learn to get last index of element in arraylist in Java using Arraylist.lastIndexOf() method. It returns the last occurrence of the element in this list.

Learn to add multiple items to ArrayList. Learn to add all elements to an arraylist in Java. Learn to add only selected elements using Java 8 stream api.

Java Developer Platform 8 (Java8) is around since almost 3 years. We have published more than 10 different tutorials on Crunchify with all different

Collectors.joining() Concatenates the input Elements, separated by the Delimiter with provided Prefix and Suffix values. Yesterday I’ve published an

I have the following example data set that I want to transform / reduce using Java stream api based on direction’s value Direction int[]IN 1, 2OUT 3, 4OUT 5, 6, …

This blog is the source for news about major Java announcements and the Java community.

Java 8 has so many new functionalities and collection of features which are hidden inside packages. In this tutorial we will go over java.nio.file.Path

The Java String concat() method concatenates the method argument string to the end of string object. Concatenate two strings to produce combined string.

As I wrote about in my post ” Playing with JDK 12’s Switch Expressions “, the JDK 12 Early Access Builds have made it easy to experiment wi…

Is the following statement true? (source and source – they seem to copy from each other or come from the same source). The sorted() operation is a “stateful intermediate operation”, which means …

The Java String replace() method replaces each substring of this string that matches the literal target substring. The matching process starts at index 0.