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ihcomega56/RoundSample.java

Created June 16, 2015 11:32
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Java女子部勉強会201506〜BigDecimal#round()のふしぎ〜
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result
56789 は、3桁以上あるかな？( ･ὢ･ )
1 は、3桁以上あるかな？( ･ὢ･ )
Raw
RoundSample.java
import java.math.BigDecimal;
import java.math.BigInteger;
/**
* Created by ihcomega56 on 2015/06/16.
*/
public class RoundSample {
public static void main(String... args) {
BigDecimal 丸まるくん = new BigDecimal("56.789");
BigDecimal 何も翁さん = new BigDecimal("0.0001");
BigInteger 丸まるくんの丸め対象 = 丸まるくん.unscaledValue();
BigInteger 何も翁さんの丸め対象 = 何も翁さん.unscaledValue();
System.out.println(String.valueOf(丸まるくんの丸め対象) + "\tは、3桁以上あるかな？( ･ὢ･ )");
System.out.println(String.valueOf(何も翁さんの丸め対象) + "\t\tは、3桁以上あるかな？( ･ὢ･ )");
}
}
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