How to write it in Java?

Hi everyone in the forum,
i gotta translate this matehmatical expressions into java but no idea how. Any suggestion? :
freq_um[getPositionFromString(value)] = 1.0D4/(FREQ(I)/1.0D6/29979.2458);
freq_mixt[getPositionFromString(value)] = 1.0D4/(FREQ(I)/1.0D6/29979.2458);
I mean the arithmetic operations, of course =)
1.0D4/(FREQ(I)/1.0D6/29979.2458)
thankx

Change D to E .

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