Scanner can only interpret keyboard input, it's true.
Explanation
Java has a class called Scanner. String and input of primitive types such as int , double, etc. are obtained using the util package. Although it is the simplest method for reading input in a Java application, it is not very effective if you need an input method for situations where time is a factor, such as in competitive programming.
What is Object ?
Variables, data structures, functions, and methods all can be considered as objects in the computer science field. They have value as memory locations and are identified by identifiers.
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