Working with Java Data Types
Scott Selikoff, Jeanne Boyarsky · 2021
This objective-based chapter is composed of questions that explore how to work with Java data types, as defined by Oracle on the 1Z0-819 Exam. The topics covered are primitives and wrapper classes, including, operators, parentheses, type promotion and casting; String and StringBuilder classes; and local variable type inference, including as lambda parameters. The structure and style of each question are designed to reflect a more positive learning experience, allowing the readers to spend less time on each question but covering a broader level of material. The chapter is intended for those who want become a Java 11 Oracle Certified Professional by taking either the 1Z0-819 Exam or the 1Z0-817 Upgrade Exam, as well as those who want to test their knowledge of Java 11.