An old method to applying the Singleton pattern in your Java code is to check if a static instance, defined in the same class that needs to be instantiated once and only once, is null and then create a new instance; otherwise, the pre-existing insta…
Java Flight Recorder and Java Mission Control together create a complete tool chain to continuously collect low level and detailed runtime information enabling after-the-fact incident analysis. Java Flight Recorder is a profiling and event collectio…
Viewers will learn about the different types of variables in Java and how to declare them.
Decide the type of variable desired:
Put the keyword corresponding to the type of variable in front of the variable name:
Use the equal sign to assign a v…
Viewers will learn one way to get user input in Java.
Introduce the Scanner object:
Declare the variable that stores the user input:
An example prompting the user for input:
Methods you need to invoke in order to properly get user input: