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Code Issues Releases Wiki Activity

add toPrimitiveArray(Collection)

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oblonski 2015-02-23 22:12:28 +01:00
parent 323dbbfa87
commit 67b67b8c45
1 changed files with 11 additions and 0 deletions
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11
jsprit-core/src/main/java/jsprit/core/util/ArrayUtils.java
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@ -16,6 +16,7 @@
******************************************************************************/ ******************************************************************************/
package jsprit.core.util; package jsprit.core.util;
import java.util.Collection;
import java.util.List; import java.util.List;
public class ArrayUtils { public class ArrayUtils {
@ -25,5 +26,15 @@ public class ArrayUtils {
for(int i=0;i<list.size();i++) arr[i]=list.get(i); for(int i=0;i<list.size();i++) arr[i]=list.get(i);
return arr; return arr;
} }
public static double[] toPrimitiveArray(Collection<Double> collection){
double[] arr = new double[collection.size()];
int i=0;
for(Double d : collection){
arr[i]=d;
i++;
}
return arr;
}
} }