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java backend to achieve addition, subtraction, multiplication, division and proportion calculation In Java The math package provides the API class BigDecimal, which is used to accurately calculate the number of more than 16 significant bits. BigDecimal creates objects, so you cannot directly perform mathematical operations on its objects using ...

1. BigDecimal introduction To borrow a sentence from the book Effactive Java, the main goal of float and double type design is for scientific calculation and engineering calculation. They are mainly used to perform binary floating-point operations, which are carefully designed to provide more accurate and fast approximate calculations in a ...