Textutils.zip -

public class Main { public static void main(String[] args) { // String validation String emptyString = ""; System.out.println(TextUtils.isEmpty(emptyString)); // true System.out.println(TextUtils.isNotEmpty(emptyString)); // false

// ZIP file compression File file = new File("example.txt"); File zipFile = new File("example.zip"); TextUtils.zip(file, zipFile); TextUtils.zip

// String conversion String camelCaseString = TextUtils.toCamelCase("hello world"); System.out.println(camelCaseString); // helloWorld public class Main { public static void main(String[]