The Developer's Info » Java File Streams

Getting separator symbol in Java

Oleg Mazurashu — Thu, 25 Feb 2010 15:43:30 +0000

This snippet of code allows to get symbol which represents separator in your file-system:

System.getProperty("file.separator");

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Writing files in Java

Oleg Mazurashu — Thu, 25 Feb 2010 15:12:40 +0000

I am going to show example which shows how to write a file in Java. If you want to write some file you should start with FileOutputStream. This class is a concrete subclass of OutputStream. Example:

package tutorial; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; /** * This class shows how to write a . . . → Read More: Writing files in Java No related posts.

Reading files in Java

Oleg Mazurashu — Thu, 25 Feb 2010 14:30:56 +0000

I am going to show example which shows how to read a file in Java. If you want to read some file you should start with FileInputStream. This class is a concrete subclass of InputStream. It provides an input stream connected to a particular file. Example:

package tutorial; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import . . . → Read More: Reading files in Java No related posts.

Getting system root directory in Java

Oleg Mazurashu — Thu, 25 Feb 2010 13:55:18 +0000

If you are working with file-system in Java, you should understand that your program can run in other types of OS:(Windows, Unix, Linux). These OS has own file-system structure. For example you need to read or write file in Windows, which located at disk C:\, you should write:

File root = new File("C:\\"); File dir . . . → Read More: Getting system root directory in Java No related posts.

Getting path to user’s home directory in Java

Oleg Mazurashu — Thu, 25 Feb 2010 13:32:53 +0000

There is a way to find out path to user’s home folder. Need to get system property:

System.getProperty("user.home");

That’s all.

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Getting working directory in Java

Oleg Mazurashu — Thu, 25 Feb 2010 13:27:16 +0000

Sometimes need to know path to your working directory. It is very easy. Here I am going to show snippet of code which helps with this:

System.getProperty("user.dir");

It returns String. Call it and you will know your current working directory.

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