java string

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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In the previous post, we covered a String to Date conversion. In this post, you will learn to convert LocalDate and LocalDateTime to String in Java. LocalDate and LocalDateTime are immutable date-time objects that represent a date and a date and time. Convert LocalDate to String in Java Below is the program that parses a LocaDate object to a String using…

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We can convert boolean to String in Java using the following methods: String.valueOf() method Boolean.toString() method Convert boolean to String in Java using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts boolean. Example class Test { public static void main(String[] args)…

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To convert String to boolean in Java, you can use one of the following methods: Boolean.parseBoolean() method BooleanUtils.toBoolean() method Boolean.valueOf() method if we need a Boolean object instead of a primive Convert String to boolean in Java using the Boolean.parseBoolean() method With the parseBoolean(String s) method of the Boolean class, if we want to get…

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We can convert float to String in Java using the following methods: String.valueOf() method Float.toString() method Convert float to String in Java using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts float. Example class Test { public static void main(String[] args)…

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We can convert Double to String in Java using the following methods: String.valueOf() method Double.toString() method Convert Double to String in Java using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts double. Example class Test { public static void main(String[] args)…

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We can convert Java Long to String using the following methods: String.valueOf() method Long.toString() method Convert Java Long to String using the String.valueOf() method There are multiple overloaded versions of the valueOf() method from the String class. We will use the one which accepts long. Example class Test { public static void main(String[] args) {…

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