How can the exec task be utilized in Phing to execute Java commands within a PHP project?

To execute Java commands within a PHP project using Phing, the exec task can be utilized. This task allows for the execution of external commands, such as running Java programs, from within a Phing build file. By specifying the Java command to be executed within the exec task, the desired Java functionality can be integrated into the PHP project seamlessly. ```xml <project name="JavaExecution" default="runJava"> <target name="runJava"> <exec command="java -jar path/to/your/java/program.jar"/> </target> </project> ```