Java tutorial
import java.io.IOException; import java.util.Arrays; import javax.tools.DiagnosticCollector; import javax.tools.JavaCompiler; import javax.tools.JavaFileObject; import javax.tools.StandardJavaFileManager; import javax.tools.ToolProvider; public class DiagnosticCollectorCompile { public static void main(String args[]) throws IOException { JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>(); StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null); Iterable<? extends JavaFileObject> compilationUnits = fileManager .getJavaFileObjectsFromStrings(Arrays.asList("Foo.java")); JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, null, null, compilationUnits); boolean success = task.call(); fileManager.close(); System.out.println("Success: " + success); } } // File: MyClass.java class MyClass { public static void main(String args[]) { System.out.println("Hello, World"); } }