Definition and Usage The contains() method checks whether a string contains a sequence of characters. Returns true if the characters exist and false if not.

11 jul. 2025 · The String.contains() method is used to search for a sequence of characters within a string. In this article, we will learn how to effectively use the string contains functionality in …

8 jan. 2024 · Explore various ways to search for a substring in a String with performance benchmarks

In this tutorial, you will learn about the Java String contains () method with the help of examples.

22 sep. 2025 · What is the contains () Method? The contains() method is a built-in method of the Java String class that checks whether a given sequence of characters exists within a string. It …

The Java String contains () method is used to check whether the current string contains the specified sequence. It returns the Boolean value, which is true if and only if the string contains …

16 jun. 2025 · Java gives you three commonly used tools for this: contains, indexOf, and matches. Each one handles comparisons differently. And each one has its own idea of what counts as a …

12 nov. 2025 · In Java, strings are one of the most commonly used data types, and the contains method is a powerful and frequently - used tool for working with strings. The contains method …

1 apr. 2025 · As discussed in the previous tutorial (Java String – Overview of methods), this method is used to check whether a substring is a part of the main String. The return type is …

8 nov. 2024 · The Java String contains () method is used to check whether the specific set of characters are part of the given string or not. It returns a boolean value true if the specified …