java Programming Glossary: efficiency

http://stackoverflow.com/questions/1055243/is-a-java-hashmap-really-o1

time which is an admittedly difficult nut to crack. The efficiency of a particular hashing algorithm depends on the data that's.. there are many algorithms that approach O 1 average case efficiency. Obviously you're right in that all algorithms have the potential..

What is an “internal address” in Java?

http://stackoverflow.com/questions/13860194/what-is-an-internal-address-in-java

result in hashtable collisions and reduced hashtable efficiency. There are simple ways to diffuse the middle address bits over..

initialize java HashSet values by construction

http://stackoverflow.com/questions/2041778/initialize-java-hashset-values-by-construction

String Arrays.asList SET_VALUES Slightly less ugly and efficiency does not matter for the static initialization. share improve..

Read a specific line from a text file

http://stackoverflow.com/questions/2138390/read-a-specific-line-from-a-text-file

file .get lineNumber would do but it still has the efficiency problem. Alternatively you can use LineIterator it IOUtils.lineIterator..

Size of a byte in memory - Java

http://stackoverflow.com/questions/229886/size-of-a-byte-in-memory-java

is just a Type that helps in code comprehension and not efficiency. Can anyone clear this up and would this be an implementation..

best practice for passing many arguments to method?

http://stackoverflow.com/questions/2432443/best-practice-for-passing-many-arguments-to-method

encapsulate params into a map is totally a waste of efficiency. The good thing is the clean signature easy to add other params..

Is concatenating with an empty string to do a string conversion really that bad?

http://stackoverflow.com/questions/2506474/is-concatenating-with-an-empty-string-to-do-a-string-conversion-really-that-bad

that all of the intermediate objects are not necessary so efficiency is not a motive . The spec says that an implementation can use..

Java: when to use static methods

http://stackoverflow.com/questions/2671496/java-when-to-use-static-methods

built a Car. But void setMileage double mpg which sets the efficiency of one particular Car can't be static since it's inconceivable..

What are major differences between C# and Java?

http://stackoverflow.com/questions/295224/what-are-major-differences-between-c-sharp-and-java

types as well as reference types keeping the appropriate efficiency e.g. a List byte as a byte backing it rather than an array of..

Writing image to servlet response with best performance

http://stackoverflow.com/questions/2979758/writing-image-to-servlet-response-with-best-performance

share improve this question For best performance and efficiency don't use byte . Each byte eats yes one byte from Java's memory...

Integers caching in Java [duplicate]

http://stackoverflow.com/questions/3131136/integers-caching-in-java

memory which also leads to faster code due to better cache efficiency. Basically the Integer class keeps a cache of Integer instances..

Best practice to store .jar files in VCS (SVN, Git, …)

http://stackoverflow.com/questions/3329041/best-practice-to-store-jar-files-in-vcs-svn-git

off taking this cost into account as well as the space efficiency. So if clones and checkouts are not common operations that you..

Where I can find a detailed comparison of Java XML frameworks?

http://stackoverflow.com/questions/3855324/where-i-can-find-a-detailed-comparison-of-java-xml-frameworks

Nodes Stax Pros Best of SAX and DOM i.e. Ease of DOM and efficiency of SAX memory efficient Pull model read and write api supports..

repaint in a loop

http://stackoverflow.com/questions/4120528/repaint-in-a-loop

to create a cascade effect on screen. I believe that the efficiency routines in the system are collapsing the calls to repaint into..

Very Large Numbers in Java Without using java.math.BigInteger

http://stackoverflow.com/questions/5318068/very-large-numbers-in-java-without-using-java-math-biginteger

complicated part let's stay in a decimal based mode. For efficiency we'll store not real decimal digits but work in base 1 000 000..

Optimising Android application before release [closed]

http://stackoverflow.com/questions/5626947/optimising-android-application-before-release

before release closed I'm in a special situation about efficiency of my program. Now I'm at a phase where I need to improve the..

Does setting Java objects to null do anything anymore?

http://stackoverflow.com/questions/850878/does-setting-java-objects-to-null-do-anything-anymore

to null improve performance or garbage collection efficiency If so in what cases is this an issue Container classes Object..