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Is there a common Java utility to break a list into batches?
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Check out Lists.partition(java.util.List, int) from Google Guava:
Returns consecutive sublists of a list, each of the same size (the final list may be smaller). For example, partitioning a list containing [a, b, c, d, e] with a partition size of 3...
What is the default initialization of an array in Java?
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Everything in a Java program not explicitly set to something by the programmer, is initialized to a zero value.
For references (anything that holds an object) that is null.
For int/short/byte/long that is a 0.
For float/double that is a ...
Is it OK to use == on enums in Java?
Is it OK to use == on enums in Java, or do I need to use .equals() ? In my testing, == always works, but I'm not sure if I'm guaranteed of that. In particular, there is no .clone() method on an enum, so I don't know if it is possible to get an enum for which .equals() would return a diffe...
Difference between the Apache HTTP Server and Apache Tomcat? [closed]
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Apache Tomcat is used to deploy your Java Servlets and JSPs. So in your Java project you can build your WAR (short for Web ARchive) file, and just drop it in the deploy directory in Tomcat.
So basically Apache is an HTTP Server, serving HTTP. Tomcat is a Servle...
erb, haml or slim: which one do you suggest? And why? [closed]
...'re looking for? Browse other questions tagged ruby-on-rails haml erb slim-lang or ask your own question.
Iterating a JavaScript object's properties using jQuery
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$.each( { name: "John", lang: "JS" }, function(i, n){
alert( "Name: " + i + ", Value: " + n );
});
each
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Keystore type: which one to use?
By looking at the file java.security of my JRE , I see that the keystore type to use by default is set to JKS . Here , there is a list of the keystore types that can be used.
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What is an efficient way to implement a singleton pattern in Java? [closed]
What is an efficient way to implement a singleton pattern in Java?
29 Answers
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How to download and save a file from Internet using Java?
... line-by-line, but is there a way to just download and save the file using Java?
21 Answers
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Maven compile with multiple src directories
Is there a way to compile multiple java source directories in a single maven project?
10 Answers
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