Java SE 11: Variables & Operators

Java    |    Beginner
  • 11 videos | 52m 50s
  • Includes Assessment
  • Earns a Badge
Rating 4.6 of 343 users Rating 4.6 of 343 users (343)
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

  • 5m 22s
    After completing this video, you will be able to describe the purpose of variables in the Java language. FREE ACCESS
  • 2m 50s
    After completing this video, you will be able to list and describe four data types and use variables in Java. FREE ACCESS
  • Locked
    3.  Initializing String Variables
    3m 54s
    In this video, you will declare and initialize variables of the String type in Java. FREE ACCESS
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    4.  Concatenating Strings
    2m 44s
    In this video, find out how to join String variables in Java. FREE ACCESS
  • Locked
    5.  Using indexOf and substring
    5m 5s
    In this video, find out how to use the indexOf and substring functions on a String in Java. FREE ACCESS
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    6.  Initializing Integer and Floating Point Variables
    7m 7s
    During this video, you will learn how to declare and initialize integer and double variables in Java. FREE ACCESS
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    7.  Using Standard Mathematical Operators
    4m 36s
    In this video, you will modify numeric variables using basic mathematical operators in Java. FREE ACCESS
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    8.  Exploring Operator Precedence Rules
    4m 49s
    After completing this video, you will be able to describe the operator precedence rules in Java. FREE ACCESS
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    9.  Setting Precedence Using Parentheses
    6m 38s
    In this video, learn how to use parentheses to control precedence in an expression in Java. FREE ACCESS
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    10.  Assignment and Concatenation of Numbers and Strings
    6m 47s
    During this video, you will learn how to concatenate strings and integers in Java. FREE ACCESS
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    11.  Exercise: Concatenating Variables
    2m 58s
    In this video, find out how to practice creating strings by concatenating various variable types in Java. FREE ACCESS

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