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java Programming Glossary: carefulUsing a byte array as HashMap key (Java) http://stackoverflow.com/questions/1058149/using-a-byte-array-as-hashmap-key-java three options Wrapping in a String but then you have to be careful about encoding issues you need to make certain that the byte..
Is it good practice to use java.lang.String.intern()? http://stackoverflow.com/questions/1091045/is-it-good-practice-to-use-java-lang-string-intern even if the string has already been internalized . So be careful in your code design so that you e.g. intern all appropriate..
How to check if a String is a numeric type in Java http://stackoverflow.com/questions/1102891/how-to-check-if-a-string-is-a-numeric-type-in-java d . d match a number with optional ' ' and decimal. Be careful with the above RegEx mechanism though as it'll fail if your..
Can constructors throw exceptions in Java? http://stackoverflow.com/questions/1371369/can-constructors-throw-exceptions-in-java field or adding itself to a collection . One thing to be careful of about throwing exceptions in the constructor because the.. no way of using the new object the constructor ought to be careful to avoid acquiring unmanaged resources file handles etc and..
How to stop java process gracefully? http://stackoverflow.com/questions/191215/how-to-stop-java-process-gracefully shutdown hooks to stop things cleanly. And as always be careful of deadlocks I've seen far too many shutdown hooks hang the..
Run Java class file from PHP script on a website http://stackoverflow.com/questions/2128619/run-java-class-file-from-php-script-on-a-website PHP exec function is the way to go but you should be very careful in what you allow to executed.. in other words don't rely on..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices trees or hashes in an inner loop I know that I need to be careful or even reimplement them instead of using the Java Collections.. benefit of this zero object creation draw score is that careful image caching and reuse for the fonts is not really manual object.. manual object allocation deallocation it's really just careful caching. It's not clean it's not good practice but that's how..
Java Swing: how to add an image to a JPanel? http://stackoverflow.com/questions/299495/java-swing-how-to-add-an-image-to-a-jpanel to a JPanel without using the ImageIcon class Edit A more careful examination of the tutorials and the API shows that you cannot..
Why does int num = Integer.getInteger(“123”) throw NullPointerException? http://stackoverflow.com/questions/3123349/why-does-int-num-integer-getinteger123-throw-nullpointerexception simpler and faster. If you must use boxed primitives be careful Autoboxing reduces the verbosity but not the danger of using..
What is the purpose of the expression “new String(…)” in Java? http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java the underlying character array supporting the string . Be careful that you program to the documentation and not one implementation..
Memory barriers and coding style over a Java VM http://stackoverflow.com/questions/3964317/memory-barriers-and-coding-style-over-a-java-vm which are sufficiently performance sensitive to merit careful analysis and validation by an expert. Safe Publication via volatile..
Creating random numbers with no duplicates http://stackoverflow.com/questions/4040001/creating-random-numbers-with-no-duplicates automatically do a containment check generated.add next Be careful with the set choice though I've very deliberately used LinkedHashSet..
Difference between null and “” Java String http://stackoverflow.com/questions/4802015/difference-between-null-and-java-string that are initialized like a and b in our example . So be careful because that can give some false positives on how works. share..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions . I am currently writing some new code and paying very careful attention to how I deal with exceptions. I am trying to see.. API client programmer. Now the API programmer has to be careful not to throw checked exceptions all over the place or they will..
how to call java function from c++? http://stackoverflow.com/questions/819536/how-to-call-java-function-from-c you can cache the JNIEnv pointer. As an advice be careful caching pointers to the JVM from C C there are some semantics..
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