Big Java Late Objects
Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Chapter 9.4, Problem 20SC
Program Plan Intro

Static method:

  • The static method of a class belongs to the class rather than an object of the class.
  • The static methods are accessible to all object of the class. But the methods defined by the objects are only able to be accessed by that member of the class.
  • The static methods are declared using the “static” keyword.
  • The static methods cannot access the instance. It can access only static data members.

“Math.sqrt()”:

  • The “sqrt(double a)” is a method of class “Math” and it return the positive square root of a double value.
  • The positive square root value will be a correctly rounded by “sqrt()”.

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