Level 22: level plan and extras materials

Level plan:

• What are mutable/imutable objects and what are they for?
• Internal device String , methodsubstring()
• Finding a substring inString
• String.format()
• StringBuilder , StringBuffer
• Character , encodings
• Regular expressions examples
• StringTokenizer ,String.replace

What else you can see at your leisure: Answers to questions for an interview on the topic of the level . The String class in examples We read about string formatting in this good article . If something is not clear with string manipulations, then follow this link and read the continuation here . And here is a link to the original article from Oracle. A very long and detailed article on encodings . Java is not mentioned in this article. You can read about creating regular expressions here:

• Article 1
• Article 1 continued
• And some more information
• Regular expressions on the wiki
• O'Reilly - Regular expressions. Recipe collection

Understanding regular expressions is like learning to ride a bike. You need to figure it out, because. will definitely be needed.

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