Java Programming Tutorials

Java programming tutorials with many code examples!

Java Runnable

Problem:

How to correctly run tasks that implement Java Runnable? In the following example we’re going to show how to use the most fundamental interface of Java concurrency.

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Java Calendar

Problem:

How to create Java Calendar instances and display its details? In the following example we’ll show how to create Calendar in an old way and using the new Java 8 Builder.

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Java Base64 URL

Problem:

How to use Java Base64 to encode data using URL and Filename safe Base64 Alphabet? In the following example we’ll show how to use Base64 util class, available since Java 8.

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Java Base64 MIME

Problem:

How to encode and decode Base64 MIME message in Java? In the following example we’ll show how to use Base64 util class available in Java 8 to do the work.

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Java Base64

Problem:

How to encode and decode a message in Java using Base64 encoding? Since Java 8 there is Base64 class for encoding and decoding bytes. Here we show how to use it.

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Java Properties load from XML

Problem:

How to load Properties in Java? Properties class has methods to load properties from different sources – InputStream, Reader, and XML file. Here’s an example of Properties.loadFromXML(InputStream).

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Java Properties load

Problem:

How to load Properties in Java? Properties class has methods to load properties from different sources – InputStream, Reader, and XML file. Here’s an example of Properties.load(InputStream).

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Java Properties store as XML

Problem:

How to store Java Properties as XML? It turns out that it’s not only possible, but also easy with the Properties class as you can see in the example in this post.

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Java Properties store

Problem:

How to store Java Properties? Properties class has methods to store/save to different outputs – OutputStream, Writer or even XML file. Here’s an example of Properties.store(OutputStream).

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Java list Properties

Problem:

How to list Java Properties? Properties can be written to PrintWriter or PrintStream as we demonstrate in the example below.

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