background preloader

Javanotes 6.0

Javanotes 6.0

http://math.hws.edu/javanotes/

MBox Few months ago I bought, as a present, an mp3 player for children called hörbert. It is really well made and the sound quality is pretty good. I really suggest as a product. The only problem is that it is quite expensive, so I thought that it would be a nice and easy project for a Christmas present for my daughter. It was already clear since the beginning that the project would be powered by an arduino uno. So I started looking around in order to find a good way to play mp3 files with arduino and I found the Freaduino MP3 Music Shield. Objects and Classes Java is an Object-Oriented Language. As a language that has the Object Oriented feature, Java supports the following fundamental concepts: PolymorphismInheritanceEncapsulationAbstractionClassesObjectsInstanceMethodMessage Parsing In this chapter, we will look into the concepts Classes and Objects.

java - the Java application launcher -client Select the Java HotSpot Client VM. A 64-bit capable jdk currently ignores this option and instead uses the Java HotSpot Server VM. For default VM selection, see Server-Class Machine Detection -server Select the Java HotSpot Server VM. Ambiguously Defined Mathematical Terms at the High School Level Last revision: April 2, 2011 This page attempts to show some of the ambiguities in defining some of the mathematical terms that might be encountered at the high school level. A number of these issues may seem quite trivial, and some are the result of consulting out-of-date texts. But many of these issues have led to disputed answers in mathematics competitions. Contributions and suggestions are welcome.

Untitled Document This introductory probability book, published by the American Mathematical Society, is available from AMS bookshop. It has, since publication, also been available for download here in pdf format. We are pleased that this has made our book more widely available. We are pleased to announce that our book has now been made freely redistributable under the terms of the GNU Free Documentation License (FDL), as published by the Free Software Foundation. ARDUINO PROJECTS This sketch will readout RF power and SWR from any SWR bridge (for example 'monimatch' type). As this 'monimatch' type of bridge is frequency dependant, the meter must be calibrated for every band. Because my primary interest was for VHF/UHF/SHF, I have foreseen positions for 6m, 4m, 2m, 70 cm, 23cm and 13cm bands - but you can use the ARDUINO readout on HF as well. If you intend to build a HF or VHF bridge yourself, there are several designs available on the web : I recommend to take a look at the information here, here , here and there !

Introduction to Computer Science using Java This is a course in Java programming for beginners. It covers the fundamentals of programming, roughly the same material that is covered in a beginning programming course in a university or in a high school AP Computer Science course. For maximum benefit, go though these notes interactively, thinking about and answering the question at the bottom of each page. There are about 20 pages per chapter. If you spend about 3 minutes per page each chapter will take about 60 minutes, or longer if you copy and run some of the programs.

Tuning Garbage Collection with the 5.0 Java[tm] Virtual Machine Introduction The Java TM 2 Platform Standard Edition (J2SE TM platform) is used for a wide variety of applications from small applets on desktops to web services on large servers. In the J2SE platform version 1.4.2 there were four garbage collectors from which to choose but without an explicit choice by the user the serial garbage collector was always chosen. In version 5.0 the choice of the collector is based on the class of the machine on which the application is started.

Earliest Uses of Various Mathematical Symbols These pages show the names of the individuals who first used various common mathematical symbols, and the dates the symbols first appeared. The most important written source is the definitive A History of Mathematical Notations by Florian Cajori. Symbols of operation, including +, -, X, division, exponents, radical symbol, dot and vector product Grouping symbols, including (), [], {}, vinculum Symbols of relation, including =, >, < Fractions, including decimals Symbols for various constants, such as π, i, e, 0 Symbols for variables Symbols to represent various functions, such as log, ln, γ, absolute value; also the f(x) notation Symbols used in geometry Symbols used in trigonometry; also symbols for hyperbolic functions Symbols used in calculus Symbols for matrices and vectors Set notation and logic Symbols used in number theory Symbols used in probability and statistics Written sources for these pages

O'Reilly Open Books Project O'Reilly has published a number of Open Books--books with various forms of "open" copyright--over the years. The reasons for "opening" copyright, as well as the specific license agreements under which they are opened, are as varied as our authors. Perhaps a book was outdated enough to be put out of print, yet some people still needed the information it covered. Or the author or subject of a book felt strongly that it should be published under a particular open copyright. Maybe the book was written collectively by a particular community, as in the case of our Community Press books.

Make your own smart watch Most IT companies participate in the race to grab people’s wrist. A smart watch becomes the most significant item in a wearable device category. You can easily find this mood in this link, there are tons of smart watches. But here is a simple way to evaluate smart watch’s future on your own. Make it! Introduction to Programming in Java: An Interdisciplinary Approach a textbook for a first course in computer sciencefor the next generationof scientists and engineers Textbook. Our textbooks Introduction to Programming in Java [Amazon · Pearson · InformIT ] and Computer Science [Amazon · Pearson · InformIT ] are an interdisciplinary approach to the traditional CS1 curriculum with Java. We teach the classic elements of programming, using an "objects-in-the-middle" approach that emphasizes data abstraction. We motivate each concept by examining its impact on specific applications, taken from fields ranging from materials science to genomics to astrophysics to internet commerce.

Java theory and practice: Thread pools and work queues Why thread pools? Many server applications, such as Web servers, database servers, file servers, or mail servers, are oriented around processing a large number of short tasks that arrive from some remote source. A request arrives at the server in some manner, which might be through a network protocol (such as HTTP, FTP, or POP), through a JMS queue, or perhaps by polling a database.

Related: