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ykws/round.java

Created October 31, 2016 13:48
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Caution: DecimalFormat round by default ref: http://qiita.com/ykws/items/11218e2b21d4a1e93567
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round.java
DecimalFormat df = new DecimalFormat();
df.setRoundingMode(RoundingMode.HALF_UP);
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