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What's the difference between SoftReference and WeakReference in Java?
What's the difference between java.lang.ref.WeakReference and java.lang.ref.SoftReference ?
12 Answers
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
In Java 8, I can easily write:
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Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
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When does System.getProperty(“java.io.tmpdir”) return “c:\temp”
Just curious as to when System.getProperty("java.io.tmpdir") returns "c:\temp" . According to the java.io.File Java Docs -
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Recursively add files by pattern
...ou could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this itself, as it's basically a shell problem: how do you get a list of files to provide as arguments to a given command.
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Java client certificates over HTTPS/SSL
I am using Java 6 and am trying to create an HttpsURLConnection against a remote server, using a client certificate.
The server is using an selfsigned root certificate, and requires that a password-protected client certificate is presented. I've added the server root certificate and the client c...
How to run a class from Jar which is not the Main-Class in its Manifest file
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You can create your jar without Main-Class in its Manifest file. Then :
java -cp MyJar.jar com.mycomp.myproj.dir2.MainClass2 /home/myhome/datasource.properties /home/myhome/input.txt
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How can we prepend strings with StringBuilder?
...ple is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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Why is an array not assignable to Iterable?
with Java5 we can write:
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How to get Scala List from Java List?
I have a Java API that returns a List like:
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