Assertions : Assertions « Development « Java Tutorial






  1. Java Tutorial
  2. Development
  3. Assertions
public class MainClass {

  public static void main(String[] arg) {
    int a = 0;
    assert a == 0;

  }

}

java -enableassertions MyProg

You can also use its abbreviated form -ea:

   java -ea MyProg








6.24.Assertions
6.24.1.Assertions
6.24.2.More Complex Assertions
6.24.3.Assert with an informative message
6.24.4.Compile 'assert'
6.24.5.A Program with Assertions
6.24.6.Enabling Assertions from the Command Line: -ea and -da enable and disable assertion in a package subtree or in a class.
6.24.7.Handling an Assertion Error
6.24.8.Catch assert exception with message
6.24.9.Using the class loader to enable assertions