- Course
Working with Java Data Types and String APIs (Java SE 11 Developer Certification 1Z0-819)
This course will teach you the eight primitive types and their wrappers. Including coverage of variables and scope rules, operators, as well as the String, Date, and Time types.
Intermediate
- Course
Working with Java Data Types and String APIs (Java SE 11 Developer Certification 1Z0-819)
This course will teach you the eight primitive types and their wrappers. Including coverage of variables and scope rules, operators, as well as the String, Date, and Time types.
Intermediate
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What you'll learn
The OCA exam contains questions on Java types and how to use them. In this course, Working with Java Data Types and String APIs (Java SE 11 Developer Certification 1Z0-819), you’ll learn to declare, modify, and use primitive and simple reference types. First, you’ll explore primitive types and how to use them as well as the conventions for declaring and naming variables. Next, you’ll discover all of the binary and unary operators. Finally, you’ll learn how to use the APIs associated with Strings, Dates, and Times. When you’re finished with this course, you’ll have the skills and knowledge of Java types needed to answer OCA questions on primitives, operators, scope, and variables, along with String, Date, and Time types.
Working with Java Data Types and String APIs (Java SE 11 Developer Certification 1Z0-819)
Intermediate
Table of contents
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Overview | 3m 16s
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The boolean Primitive | 1m 33s
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The byte, short, int, and long Primitives | 2m 17s
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The float and double Primitives | 2m 54s
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The char Primitive | 2m 50s
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Narrowing, Widening, and Casting | 3m 18s
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Underscores in Numeric Literals | 2m 1s
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Alternative Number Systems | 1m 40s
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Scientific Notation | 1m 59s
Richard has more than 24 years of experience as a software developer and architect. He has written five books on enterprise Java including EJB, JMS, web services, and software architecture.