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Airthematic operation on Big numbers up to 30 to 40 digits long, some of the related material on internet is not really related. any idea how can we do this.
It's right under your nose, in the standard Java API.
You should use BigInteger or BigDecimal for this purpose.
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I want to create an app where i can Store 64 questions and each question will have its own 64 answers.
If i want a particular answer of any one particular question, So there i just type question Number corresponding Answer Number then i can get particular cell data..
Example:-
Question Number 5 Answer Number 7......
Please help me to provide best or efficient way to develop this app....
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Is there an algorithm or hash to splits groups into 2, for A/B Testing?
We have customerIds, 1-5000. originally thinking of using Even/Odd, Mod %2. Are there any other algorithms available? Just curious, currently using Java Spring Boot.
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I want to make an arraylist that has random numbers and make it in order from least to greatest.
How do I do this?
Try using the
Collections.sort(your_array_name)
This sorts your array from least to greatest in place.
If you still want some more information, try this link:
https://www.geeksforgeeks.org/collections-sort-java-examples/
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using BigDecimal for double value calculation could be very expensive in low latency trading applications.
what is the alternative please ?
Use an int or a long, of cents, or microcents, or whatever is the lowest appropriate increment of money you're willing to measure.
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I want to generate a regex in android to check plate numbers like
3 letters 1 space and 4 decimal numbers
LLL NNNN
That will be [a-zA-Z]{3}\\s[\\d]{4} as Java string