September 2016
Intermediate to advanced
704 pages
18h 29m
English
Content preview from OCA Java SE 8 Programmer I Certification Guide
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Chapter 4. Selected classes from the Java API and arrays
|
Exam objectives covered in this chapter |
What you need to know |
|---|---|
| [9.2] Creating and manipulating Strings | How to initialize String variables using = (assignment) and new operators. Use of the operators =, +=, !=, and == with String objects. Pooling of string literal values. Literal value for class String. Use of methods from class String. Immutable String values. All the String methods manipulate and return a new String object. |
| [3.2] 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. |
| [9.1] Manipulate data ... |
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