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Merge pull request #5236 from eugenp/pr/dtos

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Updates to Double to string
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daoire 2018-09-12 20:43:33 +01:00 committed by GitHub
commit af074ee8d3
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1 changed files with 18 additions and 27 deletions
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core-java/src/main/java/com/baeldung/decimalformat/DoubletoString.java
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@ -1,38 +1,29 @@
package com.baeldung.decimalformat; package com.baeldung.decimalformat;
import java.math.RoundingMode; import java.math.RoundingMode;
import java.text.DecimalFormat; import java.text.DecimalFormat;
import java.text.NumberFormat; import java.text.NumberFormat;
import java.util.Locale;
public class DoubletoString { public class DoubletoString {
public static void main(String[] args) { public static void main(String[] args) {
double doubleValue = 345.56; double doubleValue = 345.56;
System.out.println(String.valueOf((int) doubleValue)); System.out.println(String.valueOf((int) doubleValue));
System.out.println(String.format("%.0f", doubleValue)); System.out.println(String.format("%.0f", doubleValue));
doubleValue = Math.floor(doubleValue); NumberFormat nf = NumberFormat.getInstance();
DecimalFormat df = new DecimalFormat("#"); nf.setMaximumFractionDigits(0);
df.setRoundingMode(RoundingMode.FLOOR); nf.setRoundingMode(RoundingMode.FLOOR);
System.out.println(df.format(doubleValue)); System.out.println(nf.format(doubleValue));
Locale enlocale = new Locale("en", "US");
String pattern = "###,##";
df = (DecimalFormat) NumberFormat.getNumberInstance(enlocale);
df.applyPattern(pattern);
String format = df.format(doubleValue);
System.out.println(format);
Locale dalocale = new Locale("da", "DK"); doubleValue = Math.floor(doubleValue);
df = (DecimalFormat) NumberFormat.getNumberInstance(dalocale); DecimalFormat df = new DecimalFormat("#,###");
df.applyPattern(pattern); df.setRoundingMode(RoundingMode.FLOOR);
System.out.println(df.format(doubleValue)); System.out.println(df.format(doubleValue));
}
} }
}