Editing Comparison of C Sharp and Java (section)

=== Conditional compilation ===
Unlike Java, C# implements [[conditional compilation]] using [[preprocessor directive]]s. It also provides a {{mono|Conditional}} [[Annotation|attribute]] to define methods that are only called when a given compilation constant is defined. This way, [[Assertion (computing)|assertions]] can be provided as a framework feature with the method {{code|Debug.Assert()}}, which is only evaluated when the {{mono|DEBUG}} constant is defined. Since version 1.4, Java provides a language feature for assertions, which are turned off at runtime by default but can be enabled using the {{code|-enableassertions}} or {{code|-ea}} switch when invoking the JVM.