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The difference between Classes, Objects, and Instances
What is a class, an object and an instance in Java?
16 Answers
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How do I find out which keystore was used to sign an app?
... with this keystore, and with the alias 'android_key'.
Keytool is part of Java, so make sure your PATH has Java installation dir in it.
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Best practice to validate null and empty collection in Java
...s about the same thing with C#, but the principles applies equally well to java. Like mentioned there, null should be returned only if
null might mean something more specific;
your API (contract) might force you to return null.
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How to switch to the new browser window, which opens after click on the button?
... tested that. If this works perfectly in C#, but is implemented wrongly in Java you should report that as a bug.
– Elmue
Aug 14 '17 at 3:34
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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Remember to add Javadoc about the behaviour when passing null objects.
– Thorbjørn Ravn Andersen
Feb 16 '10 at 18:25
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Why does this method print 4?
...ens is very different.
Experiment setup:
Ubuntu 12.04 server with default java and default-jdk. Xss starting at 70,000 at 1 byte increments to 460,000.
The results are available at: https://www.google.com/fusiontables/DataSource?docid=1xkJhd4s8biLghe6gZbcfUs3vT5MpS_OnscjWDbM
I've created another v...
Number of lines in a file in Java
... is.close();
}
}
EDIT, 9 1/2 years later: I have practically no java experience, but anyways I have tried to benchmark this code against the LineNumberReader solution below since it bothered me that nobody did it. It seems that especially for large files my solution is faster. Although it...
Biggest GWT Pitfalls? [closed]
...de.google.com/p/google-web-toolkit/wiki/UsingOOPHM
Problem: GWT code is java, and has a different mentality to laying out a HTML page, which makes taking a HTML design and turning it into GWT harder
Solution: Again you get used to this, but unfortunately converting a HTML design to a GWT design ...
Removing whitespace from strings in Java
...string is not modified as some of the answers sort of imply.
(Experienced Java developers might say "of course, you can't actually modify a String", but the target audience for this question may well not know this.)
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Things possible in IntelliJ that aren't possible in Eclipse?
...ings you to where clicked object is defined works everywhere - not only in Java classes and variables in Java code, but in Spring configuration (you can click on class name, or property, or bean name), in Hibernate (you can click on property name or class, or included resource), you can navigate wit...