Java tutorial
import java.io.IOException; import java.util.Arrays; import javax.tools.Diagnostic; import javax.tools.DiagnosticCollector; import javax.tools.JavaCompiler; import javax.tools.JavaFileObject; import javax.tools.StandardJavaFileManager; import javax.tools.ToolProvider; public class Main { 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("YourFile.java")); Iterable<String> options = Arrays.asList("-d", "classes", "-sourcepath", "src"); JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, options, null, compilationUnits); boolean success = task.call(); for (Diagnostic diagnostic : diagnostics.getDiagnostics()) { System.out.println(diagnostic.getCode()); System.out.println(diagnostic.getKind()); System.out.println(diagnostic.getPosition()); System.out.println(diagnostic.getStartPosition()); System.out.println(diagnostic.getEndPosition()); System.out.println(diagnostic.getSource()); System.out.println(diagnostic.getMessage(null)); } fileManager.close(); System.out.println("Success: " + success); } }