Java Cookbook (3rd Edition) by Ian F. Darwin

By Ian F. Darwin

From lambda expressions and JavaFX eight to new aid for community programming and cellular improvement, Java eight brings a wealth of alterations. This cookbook is helping you wake up to hurry without delay with thousands of hands-on recipes throughout a large variety of Java issues. You'll research valuable suggestions for every little thing from debugging and knowledge constructions to GUI improvement and practical programming.

Each recipe comprises self-contained code suggestions for you to freely use, besides a dialogue of the way and why they paintings. when you are accustomed to Java fundamentals, this cookbook will bolster your wisdom of the language usually and Java 8's major APIs in particular.

Recipes include:
Methods for compiling, operating, and debugging
Manipulating, evaluating, and rearranging text
Regular expressions for string- and pattern-matching
Handling numbers, dates, and times
Structuring facts with collections, arrays, and different types
Object-oriented and sensible programming techniques
Directory and filesystem operations
Working with pix, audio, and video
GUI improvement, together with JavaFX and handlers
Network programming on either patron and server
Database entry, utilizing JPA, Hibernate, and JDBC
Processing JSON and XML for info storage
Multithreading and concurrency

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Additional info for Java Cookbook (3rd Edition)

Sample text

The numbers describe the rectangle (see Figure 10). Each rectangle is described by the x- and y-coordinates of its top-left corner, its width, and its height. info Java Concepts, 5th Edition Figure 9 Rectangular Shapes Figure 10 Rectangle Objects 44 It is very important that you understand this distinction. In the computer, a Rectangle object is a block of memory that holds four numbers, for example x = 5, y = 10, width = 20, height = 30. In the imagination of the programmer who uses a Rectangle object, the object describes a geometric figure.

25. A logic error causes a program to take an action that the programmer did not intend. You must test your programs to find logic errors. 26. An editor is a program for entering and modifying text, such as a Java program. 27. The Java compiler translates source code into class files that contain instructions for the Java virtual machine. 28. The Java virtual machine loads program instructions from class files and library files. FURTHER READING 1. net/applet/ The web site for the jmol applet for visualizing molecules.

Println(greeting) Some methods require multiple explicit parameters, others don't require any explicit parameters at all. An example of the latter is the length method of the String class (see Figure 6). All the information that the length method requires to do its job—namely, the character sequence of the string—is stored in the implicit parameter object. info Java Concepts, 5th Edition The length method differs from the println method in another way: it has an output. We say that the method returns a value, namely the number of characters in the string.

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