Posted on 2010-02-02 13:51
疯狂 阅读(4367)
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java
System.out.println(Long.toHexString(Double.doubleToLongBits(0.1d)).length());//3f b9 99 99 99 99 99 9a
System.out.println(Double.longBitsToDouble(Long.parseLong("3fb999999999999a", 16)));//0.1