// For complete examples and data files, please go to https://github.com/aspose-tasks/Aspose.Tasks-for-Java
// The path to the documents directory.
String dataDir = Utils.getDataDir(ParentAndChildTasks.class);

Project prj = new Project(dataDir + "ParentAndChildTask.mpp");

// Create a ChildTasksCollector instance
ChildTasksCollector collector = new ChildTasksCollector();

// Use TaskUtils to get all children tasks in RootTask
TaskUtils.apply(prj.getRootTask(), collector, 0);

List tasks = collector.getTasks();
int iSize = tasks.size();
// Parse through all the collected tasks
for (int i = 0; i < iSize; i++) {
    Task tsk = (Task) tasks.get(i);
    System.out.println("Task Name = " + tsk.get(Tsk.NAME));
}