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Java Plug-In technology (hereafter the "Java Plug-In"), which is included in the Java Runtime Environment, enables Java applets to run in popular web browsers on the desktop. The next-generation Java Plug-In, introduced in Java SE 6 Update 10, provides powerful new capabilities to applets in the web browser, while improving the overall reliability and functionality of applets in a backward-compati
First a disclaimer beforehand: the posted code snippets are all basic examples. You'll need to handle trivial IOExceptions and RuntimeExceptions like NullPointerException, ArrayIndexOutOfBoundsException and consorts yourself. In case you're developing for Android instead of Java, note also that since introduction of API level 28, cleartext HTTP requests are disabled by default. You are encouraged
I’ve been working on a Java app which needed Rhino for scripting. The app would need to run untrusted JavaScript code from 3rd parties, so I had to find a way to block access to all Java methods, except the ones I wanted. This would not be a problem if there was an easy way to disable LiveConnect – the feature of Rhino which provides java access to scripts – but there is no such thing. However, af
Introduction This is a short tutorial on blurring techniques for beginners. When I was learning this stuff, there was very little available material which was useful. That's not true of course - there was masses of material, but half of it was way too simple and the other half began "Let T be a vector function evaluated over the half-open interval...." and was full of very scary multi-line equatio
J2SE 5.0 on Mac OS X 10.5 gives Java applications access to a wide range of native control styles. These new runtime client properties allow your Java application to look and feel more like Cocoa applications than ever, while still enjoying the portability benefits of a pure Java codebase. What are Swing Client Properties?Swing Client Properties enable you to set component specific properties on a
Java 7 で追加された try-with-resources は C# の using ステートメントに倣った構文だが、まったく同じというわけではない。 C# の using ステートメントは下記のページで説明されているように try/finally の糖衣構文であって、それ以上でもそれ以下でもない。 using ステートメント (C# リファレンス) http://msdn.microsoft.com/ja-jp/library/yh598w02.aspx 一方、Java の try-with-resources では、catch 節を書くことができる。これは大きな違いのように思えるのだけど、Web 上で両者を比較しているページを見ても、触れられていないことが多い……ような気がする。 復習 catch 節を付けた場合について考える前に、付けない場合の例外処理について考えることにする。
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