OCA Java SE 7 Programmer I Certification Guide

Chapter 4. String, StringBuilder, Arrays, and ArrayList

Exam objectives covered in this chapter	What you need to know
[2.7] Create and manipulate strings.	How to create String objects using the assignment and new operators. Use of the operators =, +=, !=, and == with String objects. Literal value for class String. Use of methods from class String. Immutable String values. All of the String methods manipulate and return a new String object.
[3.3] Test equality between strings and other objects using == and equals().	How to determine the equality of two String objects. Differences between using operator == and method equals() to determine equality of String objects.
[2.6] Manipulate data using the StringBuilder class and ...