© Kishori Sharan 2017
Kishori SharanBeginning Java 9 Fundamentalshttps://doi.org/10.1007/978-1-4842-2902-6_14

14. Assertions

Kishori Sharan1 
(1)
Montgomery, Alabama, USA
 
In this chapter, you will learn:
  • What an assertion is in Java
  • How to use assertions in Java programs
  • How to enable and disable assertions
  • How to check the status of an assertion
All classes in this chapter are members of a jdojo.assertion module, as declared in Listing 14-1.
// module-info.java
module jdojo.assertion {
    exports com.jdojo.assertion;
}
Listing 14-1.
The Declaration of a jdojo.assertion Module

What Is an Assertion?

The literal meaning of assertion is to state something in a strong, confident , and forceful way. When you assert “something,” you believe that “something” to ...

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