2021
01-26
01-26
Java实现控制小数精度的方法
生成double类型随机数random()函数源码/***Createsanewrandomnumbergenerator.Thisconstructorsets*theseedoftherandomnumbergeneratortoavalueverylikely*tobedistinctfromanyotherinvocationofthisconstructor.*/publicRandom(){this(seedUniquifier()^System.nanoTime());}nextDouble()函数源码publicdoublenextDouble(){return(((long)(next(26))<<27)+next(27))*DOUBL...
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