Hutool 3.9 Upd Guide

// 5. Number - Radix conversion String binary = NumberUtil.toBinaryString(255); // "11111111" String hex = NumberUtil.toHexString(255); // "ff"

WatchUtil.createModify(myPath, (event) -> System.out.println("File modified: " + event.context()); ).start(); Hutool 3.9 UPD

It provides modules for nearly every common Java task: // "11111111" String hex = NumberUtil.toHexString(255)