Lecture7 - Chapter 10 Numbers and Statics Static method and Variables Wrapper Class Two types of methods Instance methods associated with an object and

Lecture7 - Chapter 10 Numbers and Statics Static method and...

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1 Chapter 10 Numbers and Statics Static method and Variables Wrapper Class Two types of methods. Instance methods: associated with an object and use the instance variables of that object. Static methods (also called class methods ): use no instance variables of any object of the class they are defined in. public static double mean(int[] p) Static methods can be invoked through the class name. Why declare a method static Documentation . Anyone seeing that a method is static will know how to call it. Efficiency . A compiler will usually produce slightly more efficient code because no implicit object parameter has to be passed to the method.
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