public class Main {
    public static void main(String[] args) {
         Pojo pojo = new Pojo();
         Template<Pojo> template = Te4j.load(Pojo.class).from("index.html");
         
         String result = template.renderAsString(pojo);
         System.out.println(result); // <p>Message: Hello world!</p>
    }

    public static class Pojo {
        public String getMessage() {
            return "Hello world!";
        }
    }
}

TemplateContext ctx = Te4j.custom()
        // deletes repeating spaces, tabs, crlf from output
        .minify(Minify.DEL_CF, Minify.DEL_LF, Minify.DEL_TABS, Minify.DEL_REPEATING_SPACES)
        // .minify(Minify.getValues())
        // .minifyAll()

        // you can choose which output type will be used
        //
        // BYTES - renderAsBytes and renderTo will be optimized
        // STRING - renderAsString will be optimized
        .output(Output.BYTES, Output.STRING)
        // .output(Output.getValues())
        // .outputAll()

        // btw you can enable hot reloading
        //
        // it does not impact performance,
        // but I recommend disabling it in production
        // for max. performance
        .enableAutoReloading()
        .build();

Template<Pojo> template = ctx.load(Pojo.class).from("index.html");