Few Java examples to show you how to filter a Map with Java 8 stream API.

Date: 2019-08-17 View: 3268

Java object Serialization is an API provided by Java Library stack as a means to serialize Java objects. Serialization is a process to convert objects into a writable byte stream. Once converted into a byte-stream, these objects can be written to a file. The reverse process of this is called de-serialization.

Date: 2019-08-17 View: 1884

Java Swing JFileChooser example

JFileChooser is a quick and easy way to prompt the user to choose a file or a file saving location. Below are some simple examples of how to use this class.

Date: 2019-08-17 View: 1828

In Java, you can use == operator to compare Enum value.

Date: 2019-08-17 View: 3108

A complete Java builder pattern example.

Date: 2019-08-17 View: 1815

Few Java 8 examples to show you how to convert a List of objects into a Map, and how to handle the duplicated keys.

Date: 2019-08-17 View: 2739

Some Java examples to show you how to override equals and hashCode.

Date: 2019-08-17 View: 1505

Windows 10 Edit Hosts file

In this tutorial, we will show you how to add a mapping of IP addresses to host names in the Windows Hosts file.

Date: 2019-08-17 View: 2274

In this article, we will show you how to use Java 8 Stream Collectors to group by, count, sum and sort a List.

Date: 2019-08-17 View: 3003

Windows 10 Can not create new folder

Suddenly, my Windows 10 is unable to create new folder:

Date: 2019-08-17 View: 1937

In Java 8, Stream cannot be reused, once it is consumed or used, the stream will be closed.

Date: 2019-08-17 View: 3387

In Java 8, you can either use Arrays.stream or Stream.of to convert an Array into a Stream.

Date: 2019-08-17 View: 3043

In Java 8, Stream can hold different data types, for examples:

Date: 2019-08-17 View: 2402

Some Java reflection API examples.

Date: 2019-08-17 View: 1756

Some MongoDB examples to show you how to perform group by, count and sort query.

Date: 2019-08-17 View: 1860