How do I check if a string contains?

The Java contains() method checks if a string contains another substring. The contains() method returns either True or False. Java contains() accepts one parameter: the substring to search for in your string. … Java offers a built-in method that is used to check whether a string contains a particular value: contains().23 Tem 2020

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 characters are substring of a given string and returns false otherwise. It can be directly used inside the if statement.26 Şub 2022

contains() method searches the sequence of characters in the given string . It returns true if sequence of char values are found in this string otherwise returns false.31 Eki 2021

You can use contains(), indexOf() and lastIndexOf() method to check if one String contains another String in Java or not. If a String contains another String then it’s known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1.