Java SE 11: Variables and Operators

Overview/Description
Expected Duration
Lesson Objectives
Course Number
Expertise Level

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Overview/Description
Explore the use of variables and operations using strings and numeric types in Java. During this course, you will declare, initialize, and concatenate Java string variables. See how to use the indexOf and substring functions. Declare and initialize Integer and floating-point variables. Learn to modify numeric variables via basic Java mathematical operators. Explore operator precedence rules. Set precedence through parentheses in a Java expression. Assign and concatenate integers and strings. Finally, as a review exercise, you will concatenate various Java variable types to create strings.

Expected Duration (hours)
0.9

Lesson Objectives

Java SE 11: Variables and Operators

describe the purpose of a variable in the Java language

list and describe four data types and use variables in Java

declare and initialize String variables in Java

concatenate String variables in Java

use the indexOf and substring functions on a String in Java

declare and initialize int and double variables in Java

modify numeric variables using basic mathematical operators in Java

describe operator precedence rules in Java

work with parentheses to control precedence in an expression in Java

work with concatenation of strings and integers in Java

practice creating strings from the concatenation of various variable types in Java

Course Number:
it_sdjase_02_enus

Expertise Level
Beginner