Java SE 11: Variables & Operators

Java SE 11    |    Beginner
  • 11 Videos | 57m 50s
  • Includes Assessment
  • Earns a Badge
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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.

WHAT YOU WILL LEARN

  • 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

IN THIS COURSE

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