The java.io Package Certification Objectives

NOT REQUIRED FOR 1.4 EXAM

• Write code that uses objects of the file class to navigate a file system.
  
• Write code that uses objects of the classes InputStreamReader and OutputStreamWriter to translate between Unicode and either platform default or ISO 8859-1 character encoding and distinguish between conditions under which platform default encoding conversion should be used and conditions under which a specific conversion should be used.
  
  
• Select valid constructor arguments for FilterInputStream and FilterOutputStream subclasses from a list of classes in the java.io package.
  
  
• Write appropriate code to read, write, and update files using FileInputStream, FileOutputStream and RandomAccessFile objects.
  
  
• Describe the permanent effects of the file system of constructing and using FileInputStream, FileOutputStream, and RandomAccessFile objects.
  
  

Also see

• Introduction to Java I/O