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Using Sequence Input Stream in Java

Oleg Mazurashu — Mon, 19 Apr 2010 12:57:05 +0000

In this post I am going to show you how to use SequenceInputStream in Java. A SequenceInputStream first reads all the bytes from the first stream in the sequence, then all the bytes from the second, third and so on. When the end of one stream is reached, that stream is closed and the next . . . → Read More: Using Sequence Input Stream in Java No related posts.

Java SE Development Kit 6 Update 20 is available

Oleg Mazurashu — Fri, 16 Apr 2010 09:01:29 +0000

You can download it from this link. Details you can find on Release Notes page.

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Java SE Development Kit 6 Update 19 is available

Oleg Mazurashu — Tue, 30 Mar 2010 21:45:35 +0000

You can download it from this link. Details you can find on Release Notes page.

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Using system properties in Java

Oleg Mazurashu — Thu, 25 Mar 2010 17:01:27 +0000

The System class maintains a Properties object that describes the configuration of the current working environment. System properties include information about the current user, the current version of the Java runtime, and the character used to separate components of a file path name. In this post I am going to show simple example which shows . . . → Read More: Using system properties in Java No related posts.

Getting system environment variables in Java

Oleg Mazurashu — Thu, 25 Mar 2010 16:17:34 +0000

I am going to demonstrate example which shows how to get environment variables from Java code

import java.io.IOException; import java.util.Map; /** * This class shows how to get all environment variables and how to get specific environment variable * @author The Developer's Info */ public class Main { public static void main(String[] args) throws IOException . . . → Read More: Getting system environment variables in Java No related posts.

Using Properties in Java

Oleg Mazurashu — Thu, 25 Mar 2010 11:38:12 +0000

Java has great API for working with properties. In this post I am going to show example which shows how to work with properties with Properties class. In my work I very often use properties and xml files for configuration. Example will show how to load properties from property file, how to read them, how . . . → Read More: Using Properties in Java No related posts.

Using Data Streams in Java

Oleg Mazurashu — Mon, 22 Mar 2010 14:50:19 +0000

Data streams read and write strings, integers, floating-point numbers, and other data. The DataInputStream and DataOutputStream classes read and write the primitive Java data types (boolean, int, double, etc.) and strings in a particular, well-defined, platform-independent format. Since DataInputStream and DataOutputStream use the same formats, they’re complementary. These classes are especially useful when you need . . . → Read More: Using Data Streams in Java No related posts.

Multitargeting output streams in Java

Oleg Mazurashu — Mon, 15 Mar 2010 20:33:07 +0000

I want to show how I implemented filter output stream that send data to multiple underlying streams. It is very easy. I need output stream for this

import java.io.FilterOutputStream; import java.io.IOException; import java.io.OutputStream; /** * New filter stream which helps to write data in 2 streams * @author The Developer's Info */ public class MultitargetOutputStream . . . → Read More: Multitargeting output streams in Java No related posts.

Using PushBackInputStream in Java

Oleg Mazurashu — Mon, 15 Mar 2010 19:15:23 +0000

The PushbackInputStream class provides a pushback buffer so a program can “unread” bytes. In other words, it can add bytes to the stream and then read them. This class allows to add data to the stream while they’re reading it. The next time data is read from the stream, the unread bytes are reread. Example:

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Using buffered streams in Java

Oleg Mazurashu — Mon, 15 Mar 2010 18:50:09 +0000

Buffered input streams read more data than they initially need into a buffer (an internal array of bytes). When one of the stream’s read() methods is invoked, data is removed from the buffer rather than from the underlying stream. When the buffer runs out of data, the buffered stream refills its buffer from the underlying . . . → Read More: Using buffered streams in Java No related posts.