Java - Exceptions, Object Class, Primitive Classes von Zachary Kingston

Über den Vortrag

Der Vortrag „Java - Exceptions, Object Class, Primitive Classes“ von Zachary Kingston ist Bestandteil des Kurses „Java Programming for Beginners“. Der Vortrag ist dabei in folgende Kapitel unterteilt:

Java Exceptions
Handle Exceptions
Catch Blog
Override the Equals Method
Method Summary

Dozent des Vortrages Java - Exceptions, Object Class, Primitive Classes

Zachary Kingston

Zachary Kingston is a recent Clarkson University graduate with degrees in Computer Science and Psychology. He hopes to use his diverse set of skills to create and teach technology in a unique, user friendly manner. Based out of Jericho Vermont, he works as a software contractor, exploring his interests in education and entrepreneurial business.

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Auszüge aus dem Begleitmaterial

... on Facebook at: http://www.facebook.com/learntoprogram.tv Lab Exercise 8 1) Java provides class implementations of primitive objects –int and Integer, for example—but the String class has no primitive counterpart. Why not? 2) The Object class describes ...

... Strings are not appropriate for a primitive implementation because they are of variables sizes. A defining trait of primitives is that they take up a fixed amount of space in memory. If String was a Java primitive, it would need to have a maximum length. 2) The Object class describes a hashCode() method. What is this method’s intended purpose? How does it relate to the equals() method? The hashCode method exists to convert objects into integer values which are ...