What is IOUtils in Java?

IOUtils provide utility methods for reading, writing and copying files. The methods work with InputStream, OutputStream, Reader and Writer.

What is IOUtils toString?

toString(InputStream input, String charsetName) Gets the contents of an InputStream as a String using the specified character encoding. static String. toString(Reader reader) Gets the contents of a Reader as a String.

How do I add Apache Commons to Java?

Import Apache CXF libraries to your Eclipse project

  1. In. Eclipse. , in the. Package Explorer.
  2. Click. Properties. .
  3. In the left pane, click. Java Build Path. .
  4. On the. Libraries. tab, click. Add External JARs.
  5. Navigate to the. lib. folder of your. Apache CXF.
  6. Select all of the . jar files.
  7. Click. Open. .
  8. Click.

How do I import an external library into eclipse?

Your answer

  1. Right click on your project.
  2. Select Build Path.
  3. Click on Configure Build Path.
  4. Click on Libraries and select Add External JARs.
  5. Select the jar file from the required folder.
  6. Click and Apply and Ok.

Which jar provides FileUtils which contains methods for file operations marks 2 file apache commons file Commons dir?

Correct Option: C. FileUtils is a part of apache commons which provides various methods for file operations like writeStringToFile.

How install Apache Commons IO in eclipse?

NOTE: In order to use org.apache.commons.io , you need to download the jar files (found here) and add them to the build path of your Eclipse project, by right clicking on the project folder -> Build Path -> Add external archives….1. Apache Commons IO Example

  1. Utility classes.
  2. Input.
  3. Output.
  4. Filters.
  5. Comparators.
  6. File Monitor.

How do I add an external library to a Java project?

Adding external libraries

  1. Right-click the project and select Properties > Java Build Path > Libraries.
  2. Click Add JARs and browse for the JAR you just added under the plug-in project.
  3. Close the Properties dialog.