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This article introduces the knowledge of "how to use java concatenation strings". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. The Java language allows you to concatenate (concatenate) two strings with a + sign.

2. When you concatenate a string with the value of a non-empty string, the latter is converted to a string (any Java object can be converted into a string).

Example

Int age = 13String rating = "PG" + age; / / set rating to "PG13" / / use the static join method to put multiple strings together / / and specify a delimiter to separate String all = String.join ("/", "S", "M", "L", "XL"); / / the value of S/M/L/XL / / repeated is javajavajavaString repeated = "java" .repeat (3) This is the end of the content of "how to use java concatenation strings". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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