.contains()

Returns true if a sequence of characters exists in a given string, otherwise false.

string.contains(CharSequence characters)

• characters (required): A character value that specifies the character(s) to be searched for.

Check if the variable sentence contains either the string "fox" or "bear":

class AnimalFinder {
  public static void main(String[] args) {
    String sentence = "The quick brown fox jumps over the lazy dog.";

    System.out.println(sentence.contains("fox"));
    System.out.println(sentence.contains("bear"));
    // Output: true
    // Output: false
  }
}