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java get file size efficiently
While googling, I see that using java.io.File#length() can be slow.
FileChannel has a size() method that is available as well.
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Is there a concurrent List in Java's JDK?
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There is a concurrent list implementation in java.util.concurrent. CopyOnWriteArrayList in particular.
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What is the easiest way to parse an INI file in Java?
I am writing a drop-in replacement for a legacy application in Java. One of the requirements is that the ini files that the older application used have to be read as-is into the new Java Application. The format of this ini files is the common windows style, with header sections and key=value pairs...
How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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How do I remove the space between inline/inline-block elements?
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98
EDIT:
today, we should just use Flexbox.
OLD ANSWER:
OK, although I've upvoted both the f...
Eclipse reported “Failed to load JNI shared library” [duplicate]
...with 64-bit).
Second, the -vm argument in eclipse.ini should point to the java executable. See
http://wiki.eclipse.org/Eclipse.ini for examples.
If you're unsure of what version (64-bit or 32-bit) of Eclipse you have installed, you can determine that a few different ways. See How to find out if a...
What's Up with Logging in Java? [closed]
...) - I don't think it is sensible to decide using this point as the reason.
Java logging because you don't want to add in an extra jar.
SLF4j because it's newer than Commons Logging and provides parameterized logging:
logger.debug("The entry is {}.", entry);
//which expands effectively to
if (log...
Causes of getting a java.lang.VerifyError
I'm investigating the following java.lang.VerifyError
25 Answers
25
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Java: function for arrays like PHP's join()?
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Starting from Java8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which will jo...
How can I hash a password in Java?
I need to hash passwords for storage in a database. How can I do this in Java?
13 Answers
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