Java by API/java.text/ChoiceFormat — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 20:43, 31 мая 2010
ChoiceFormat: nextDouble(double d)
<source lang="java">
import java.text.ChoiceFormat; public class Main {
public static void main(String[] argv) throws Exception { double d = 1.2; double d2 = ChoiceFormat.nextDouble(d); System.out.println(d2); }
} //1.2000000000000002
</source>
ChoiceFormat: previousDouble(double d)
<source lang="java">
import java.text.ChoiceFormat; public class Main {
public static void main(String[] argv) throws Exception { double d = 1.2; // Get the largest double less than d double d1 = ChoiceFormat.previousDouble(d); System.out.println(d1); }
} //1.1999999999999997
</source>
new ChoiceFormat(double[] limits, String[] formats)
<source lang="java">
import java.text.ChoiceFormat; public class Main {
public static void main(String args[]) { double limits[] = { 0.0, 0.1, 0.3, 0.7 }; String labels[] = { "very low", "low", "moderate", "high" }; ChoiceFormat format = new ChoiceFormat(limits, labels); double r = Math.random(); System.out.println(format.format(r) + " (" + r + ")."); }
} //high (0.755370803805559).
</source>