ppti.info Technology Head First Advanced Java Pdf


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Head First Servlets and JSP™, Second Edition, and related trade dress are trademarks and all Java-based trademarks and logos are trademarks or registered. Head First Servlets and JSP™, Second Edition, and related trade dress are Head First Java covers a huge amount of practical matters that other texts leave as. 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 Advanced Java Pdf

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Head First Java combines puzzles, strong visuals, mysteries, and You'll learn everything from the fundamentals to advanced topics, including threads, network . ppti.infon - Ebook download as PDF File .pdf) or read book online. Head First Object-Oriented Analysis and Design a Brain Friendly Guide to OOA&D. Uploaded by. Mihajlo Milutinovic. Head Advanced Java. Uploaded by. Head First Java is a book designed for learning, 2 Do you want to learn Java? of We've renamed thfoe rclathsse new advanced version, but this public class .

Start reading Book Description Learning a complex new language is no easy task especially when it s an object-oriented computer programming language like Java. You might think the problem is your brain. It seems to have a mind of its own, a mind that doesn't always want to take in the dry, technical stuff you're forced to study.

The fact is your brain craves novelty. It's constantly searching, scanning, waiting for something unusual to happen. After all, that's the way it was built to help you stay alive. It takes all the routine, ordinary, dull stuff and filters it to the background so it won't interfere with your brain's real work--recording things that matter. How does your brain know what matters?

It's like the creators of the Head First approach say, suppose you're out for a hike and a tiger jumps in front of you, what happens in your brain?

PDF Download: Head First Java (2nd Edition) – by Katy Sierra and Bert Bates

Neurons fire. Emotions crank up. Chemicals surge. That's how your brain knows. And that's how your brain will learn Java. 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!

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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?

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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?

Head First Java 2nd Edition

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 buy 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: Static variable: Math methods Wrapping a primitive Before Java 5. Wrappers have static utility methods too! And now in reverse So much for numbers, what about dates? Exception Handling: I failed. Ducking by declaring only delays the inevitable Getting back to our music code Using command-line args to experiment with sounds Getting GUI: Getting a user event Listeners, Sources, and Events Getting back to graphics We can paint graphics.

But can we paint graphics when we get an event?

GUI layouts: How do you get action events for two different buttons, when each button needs to do something different? Inner class to the rescue!


Using Swing: Different layout managers have different policies The Big Three layout managers: What needs to be saved? If you want your class to be serializable, implement Serializable Deserialization: Networking and Threads: Every Thread needs a job to do. A method to put on the new thread stack To make a job for your thread, implement the Runnable interface The Thread Scheduler Putting a thread to sleep Using sleep to make our program more predictable Making and starting two threads What will happen?And the new.

Interfaces and Abstract Classes: What could happen if it were allowed No, it wasn't such a hot item that I could use it to barter some fence repair out of my neighbor, nor did I feel I had the courage to ignore my family and plow through it in three nights like the first edition.

If you haven't, you're in for a treat.

So what does all this inheritance really buy you?

SAUL from New York
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