Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

In Java, nested classes are categorized as either static ... public double getX() { return (double) x; } // additional instance methods } public static class Double extends Ellipse2D implements ...

public boolean isDivisor(int compositeNumber, int potentialDivisor) { return (compositeNumber % potentialDivisor == 0); } } These public methods could comprise the API for a math library. To test ...