One takes a double-precision floating point as input, another takes an integer and a scale factor, and another takes a String representation of a decimal number.

其中一个构造函数以双精度浮点数作为输入，另一个以整数和换算因子作为输入，还有一个以小数的String表示作为输入。

youdao

One takes a double-precision floating point as input, another takes an integer and a scale factor, and another takes a String representation of a decimal number.

其中一个构造函数以双精度浮点数作为输入，另一个以整数和换算因子作为输入，还有一个以小数的String表示作为输入。

youdao