How do you know if a Dart contains?

To check if a string contains other string in Dart, call contains() method on this string and pass the other string as argument . contains() method returns returns a boolean value of true if this string contains the other string, or false if the this string does not contain other string.

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What is object in Flutter?

The object itself is what holds any specific data and logic . For example, a Cat class might look like this: class Cat { String name; String color; } The variable declarations above, String name and String color , are called properties or class members.

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