Download The Definitive Guide To Jython: Python For The Java™ by Josh Juneau PDF

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By Josh Juneau

Jython is an open resource implementation of the high-level, dynamic, object-oriented scripting language Python seamlessly built-in with the Java platform. The predecessor to Jython, JPython, is qualified as a hundred% natural Java. Jython is freely on hand for either advertisement and noncommercial use and is shipped with resource code. Jython is complementary to Java.

The Definitive consultant to Jython, written by way of the legit Jython workforce leads, covers Jython 2.5 (or 2.5.x)—from the fundamentals to extra complicated positive aspects. This booklet starts off with a short creation to the language after which trips via Jython's diverse gains and uses.

The Definitive consultant to Jython is equipped for rookies in addition to complicated clients of the language. The ebook offers a normal assessment of the Jython language itself, however it additionally comprises intermediate and complex issues relating to database, net, and graphical consumer interface (GUI) purposes; internet services/SOA; and integration, concurrency, and parallelism, to call a number of.

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Extra resources for The Definitive Guide To Jython: Python For The Java™ Platform

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Statements When we refer to statements, we are really referring to a line of code that contains an instruction that does something. A statement tells the Python interpreter to perform a task. Ultimately, programs are made up of a combination of expressions and statements. In this section, we will take a tour of statement keywords and learn how they can be used. Let’s start out by listing each of these different statement keywords, and then we will go into more detail about how to use each of them with different examples.

However, Python also provides a multi-line comment using the triple-quote (‘‘‘) designation at the beginning and end of a comment. This type of multi-line comment is also referred to as a doc string and it is only to be used at the start of a module, class, or function. While string literals can be placed elsewhere in code, they will not be treated as docstrings unless used at the start of the code. Let’s take a look at these two instances of multi-line documentation in the examples that follow.

Listing 2-1. 07j An important point to note is that there really are no types in Jython. Every object is an instance of a class. In order to find the type of an object, simply use the type() function. Listing 2-2. 07j >>> type(i) 26 CHAPTER 2 DATA TYPES AND REFERNCING >>> a = 'Hello' >>> type(a) A nice feature to note is multiple assignment. Quite often it is necessary to assign a number of values to different variables. Using multiple assignment in Python, it is possible to do this in one line.

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