1. JAVA API Strings, I/O, Formatting and Parsing

2. Agenda Strings File Navigation and I/O Serialization Dates and Numbers
Regular expressions

3. Strings String StringBuffer StringBuilder Immutable Pooled
Important methods: charAt(), concat(), equalsIgnoreCase(), length(), replace(), substring(), toLowerCase(), toString(), toUpperCase(), trim()
StringBuffer
Synchronized
StringBuilder
Important methods: append(), delete(), insert(), reverse(), toString()

4. File Navigation and I/O
Abstract representation of file and directory pathnames
Not used to read/write data
FileReader, BufferedReader
FileWriter, BufferedWriter, PrintWriter
Console – System.console()
readLine() - returns String
readPassword() - returns char[]

5. Serialization FileInput/OutputStream ObjectInput/OutputStream
writeObject(Object)
readObject()
Serializable
Ignores transient, static
Extended Serialization
private void writeObject(ObjectOutputStream os)
private void readObject(ObjectInputStream is)

6. Dates, Numbers, Currency
java.util.Date
java.util.Calendar
java.text.DateFormat
java.text.NumberFormat
java.util.Locale