Java Compiler API - JavaCompiler Examples

public class CompilingFromFile {
    public static void main(String[] args) {
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        int result = compiler.run(null, null, null,
                new File("test-sources/Test.java").getAbsolutePath());
        if (result == 0) {
            System.out.println("compilation done");
        }
    }
}