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## Java Number Cookbooks and Examples

### Relevant Articles: 
- [Number of Digits in an Integer in Java](http://www.baeldung.com/java-number-of-digits-in-int)
- [NaN in Java](http://www.baeldung.com/java-not-a-number)
- [How to Round a Number to N Decimal Places in Java](http://www.baeldung.com/java-round-decimal-number)
- [Check If a Number Is Prime in Java](http://www.baeldung.com/java-prime-numbers)
- [Using Math.pow in Java](http://www.baeldung.com/java-math-pow)
- [Generating Prime Numbers in Java](http://www.baeldung.com/java-generate-prime-numbers)
- [BigDecimal and BigInteger in Java](http://www.baeldung.com/java-bigdecimal-biginteger)
- [Find All Pairs of Numbers in an Array That Add Up to a Given Sum](http://www.baeldung.com/java-algorithm-number-pairs-sum)
- [Java – Random Long, Float, Integer and Double](http://www.baeldung.com/java-generate-random-long-float-integer-double)