Favourite tutorials for developers
Java example to show the use of Arrays.sort() to sort an Array. The code should be self-explanatory. Output Download Source Code $ git clone https://github.com/favtuts/java-core-tutorials-examples $ cd java-basic/array Reference Arrays…
In this example, we will show you how to use Java 8 Lambda expression to write a Comparator to sort a List. To compare the Developer objects using their age.…
In Java, the System.getenv() returns an unmodifiable string Map view of the current system environment. If a requested environment variable is not defined, the System.getenv will return a null, and…
Java 8 Stream examples to sort a Map, by keys or by values. Steps to sort a Map in Java 8: (1) Convert a Map into a Stream, (2) Sort…
In Java, you can use System.getProperties() to get all the system properties. Also by sorting, you can display all the system properties in Alphabetical order.
The Java String compareTo() method compares two strings lexicographically (alphabetical order). It returns a positive number, negative number, or zero. if s1 < s2, it returns negative number. if s1…