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What does the arrow operator, '->', do in Java?
... code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
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What is difference between cacerts and keystore?
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cacerts is where Java stores public certificates of root CAs. Java uses cacerts to authenticate the servers.
Keystore is where Java stores the private keys of the clients so that it can share it to the server when the server requests client ...
How to include file in a bash shell script
...mply put inside your script :
source FILE
Or
. FILE # POSIX compliant
$ LANG=C help source
source: source filename [arguments]
Execute commands from a file in the current shell.
Read and execute commands from FILENAME in the current shell. The
entries in $PATH are used to find the directory con...
Grab a segment of an array in Java without creating a new array on heap
I'm looking for a method in Java that will return a segment of an array. An example would be to get the byte array containing the 4th and 5th bytes of a byte array. I don't want to have to create a new byte array in the heap memory just to do that. Right now I have the following code:
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What causes “Unable to access jarfile” error?
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I had encountered this issue when I had run my Jar file as
java -jar TestJar
instead of
java -jar TestJar.jar
Missing the extension .jar also causes this issue.
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How to fluently build JSON in Java?
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This is still the cleaner option. It's ridiculous that Java devs still have to pause to figure the best option for JSON parse/build in 2020.
– mtyson
Dec 23 '19 at 20:11
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What are all the escape characters?
I know some of the escape characters in Java, e.g.
4 Answers
4
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How to get current moment in ISO 8601 format with date, hour, and minute?
...There are two different packages for 'DateFormat', remember to use 'import java.text.DateFormat'
– oabarca
Jun 24 '14 at 19:12
3
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What is a 'SAM type' in Java?
Reading up on the Java-8 spec, I keep seeing references to 'SAM types'. I haven't been able to find a clear explanation of what this is.
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Can a constructor in Java be private?
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So...former chief Java architect at Google Joshua Bloch advocates static factory methods that use private constructors (Effective Java 2nd edition)...considering his expertise with the language and his creation of the Java Collections Framewor...