Description: Java, a simple floating-point types float and double can not be accurate calculation can only be used in scientific computing or engineering calculation.
Not only is Java, in many other programming languages also have this problem. In most cases, the calculated results are accurate,
But try more than once (you can do a loop) can try a similar error above.
This problem is very serious, if you have 9.999999999999 yuan, your computer will not think you can buy 10 dollars goods.
In order to solve the basic data types in Java computing overflow occurs and the problem of inaccurate calculation.
Java provides two classes BigInteger and BigDecimal, specifically for high-precision operations
Int or float can be used to do all things, with the BigInteger and BigDecimal can do,
Just have to change with the method call, rather than operator.
High-precision integer BigInteger
BigInteger supports arbitrary-precision integers, which means we can accurately represent the entire val
- [BigNumber] - a data storage structure and a super dig
File list (Check if you may need any files):
处理大数字\BigNumber.java
处理大数字
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