What they're saying about Head First. Praise for Head First Java. Praise for other Head First books co-authored by Kathy and Bert. This PDF is made available for personal use only during the relevant subscription term, subject to the. Read Head First Java and you will once again experience fun in learning. A few days ago I received my copy of Head First Java by Kathy Sierra and Bert. Head First maroc-evasion.info Pages (zlibraryexau2g3p_onion).pdf Mindset - Dweck_ maroc-evasion.info maroc-evasion.infoy. Heck, even the PDF I have for review is tattered Head.
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Do not ask exact duplicates of FAQ questions Do not post questions that are an exact duplicate of something already answered in the FAQ. Do not delete posts Do not delete your post! Use the "solved" flair instead. He could almost feel the rolled steel of the Aeron beneath his But wait!
What about the Amoeba rotate? The suspense is killing me.
Who got the chair? When you design a class, think about the objects that will be created from that class type. Think about Things an object knows about itself are called Things an object can do are called A class is not an object. Get out of main! The two uses of main: Primitives and References: Back away from that keyword!
Control your Dog with a reference variable What happens if the Dog is in a Dog array? A Dog example 4. Methods Use Instance Variables: How Objects Behave Remember: The size affects the bark You can send things to a method You can get things back from a method You can send more than one thing to a method Calling a two-parameter method, and sending it two arguments You can pass variables into a method, as long as the variable type matches the parameter type Java is pass-by-value.
That means pass-by-copy Cool things you can do with parameters and return types Encapsulation Do it or risk humiliation and ridicule Hide the data Encapsulating the GoodDog class How do objects in an array behave? Declaring and initializing instance variables The difference between instance and local variables Comparing variables primitives or references 5.
Writing a Program: A bug? A different game interaction More about for loops Regular non-enhanced for loops Trips through a loop Difference between for and while The enhanced for loop Casting primitives 6. Using the Java Library In our last chapter, we left you with the cliff-hanger. How do we fix it? Inheritance and Polymorphism: Understanding Inheritance An inheritance example: Which methods should we override? Looking for more inheritance opportunities Which method is called? Who gets the Porsche, who gets the porcelain?
When designing with inheritance, are you using or abusing? So what does all this inheritance really download you?
Inheritance lets you guarantee that all classes grouped under a certain supertype have all the methods that the supertype has. Interfaces and Abstract Classes: Serious Polymorphism Did we forget about something when we designed this? Why not make a class generic enough to take anything?
Using polymorphic references of type Object has a price Making and Implementing the Pet interface 9. Constructors and Garbage Collection: If local variables live on the stack, where do instance variables live?
How do you invoke a superclass constructor? Can the child exist before the parents? Superclass constructors with arguments Invoking one overloaded constructor from another Now we know how an object is born, but how long does an object live? What about reference variables? Numbers and Statics: And that's how your brain will learn Java. Head First Java combines puzzles, strong visuals, mysteries, and soul-searching interviews with famous Java objects to engage you in many different ways.
It's fast, it's fun, and it's effective.
And, despite its playful appearance, Head First Java is serious stuff: a complete introduction to object-oriented programming and Java. You'll learn everything from the fundamentals to advanced topics, including threads, network sockets, and distributed programming with RMI.
And the new.
Because Java 5. So learning the Head First way is more important than ever. If you've read a Head First book, you know what to expect--a visually rich format designed for the way your brain works.