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How to set thousands separator in Java?
How to set thousands separator in Java?
I have String representation of a BigDecimal that I want to format with a thousands separator and return as String.
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Java: method to get position of a match in a String?
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text.indexOf(match);
See the String javadoc
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How to convert Milliseconds to “X mins, x seconds” in Java?
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Use the java.util.concurrent.TimeUnit class:
String.format("%d min, %d sec",
TimeUnit.MILLISECONDS.toMinutes(millis),
TimeUnit.MILLISECONDS.toSeconds(millis) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes...
Is there hard evidence of the ROI of unit testing?
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Yes. This is a link to a study by Boby George and Laurie Williams at NCST and a another by Nag...
Do I cast the result of malloc?
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dirkgentlydirkgently
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What is the difference between Non-Repeatable Read and Phantom Read?
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ThiloThilo
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static allocation in java - heap, stack and permanent generation
I have been lately reading a lot on memory allocation schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM spec...
How do I initialize a byte array in Java?
I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be. This is how I'm currently doing it, but I feel like there must be a better way.
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Java serialization: readObject() vs. readResolve()
The book Effective Java and other sources provide a pretty good explanation on how and when to use the readObject() method when working with serializable Java classes. The readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one o...
Android Studio IDE: Break on Exception
...ppears. In the left pane, scroll to the bottom. Select Any exception under Java Exception Breakpoints
With Any exception selected, on the right pane, configure as follows:
Suspend: checked
All: selected
Condition: !(this instanceof java.lang.ClassNotFoundException)
Notifications: both Caught exce...