Java program examples

We can remove all whitespaces from a String in Java using the built-in method replaceAll() from a String class. Example public class Test { public static void main(String[] args) { String str = “Learn Java with alegrucoding.com”; String result = str.replaceAll(“\\s”, “”); System.out.println(result); } } Output: LearnJavawithalegrucoding.com Here, we passed the regular expression ‘\\s’ that…

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