Java SE 11: Variables and Operators

Expected Duration
Lesson Objectives
Course Number
Expertise Level


Explore the use of variables and operations using strings and numeric types in Java.

Expected Duration (hours)

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:

    Expertise Level