* author: KRishna Atkuru
*/
public class IntervalOverlap {
public static void main(String[] args) {
Range[] values = {new Range(5, 20), new Range(2, 7), new Range(30, 55)};
List<Range> rangeList = new ArrayList<Range>();
Collections.addAll(rangeList, values);
Collections.sort(rangeList);
List<Range> returnList = new ArrayList<Range>();
Range previousElement = rangeList.remove(0);
while (rangeList.size() > 0) {
Range currentElement = rangeList.remove(0);
if (previousElement.getHigh() >= currentElement.getLow()) {
previousElement.setHigh(currentElement.getHigh() > previousElement.getHigh()
? currentElement.getHigh() : previousElement.getHigh());
} else {
returnList.add(new Range(previousElement));
previousElement = currentElement;
}
}
returnList.add(previousElement);
for (Range range : returnList) {