OnJava8-Examples/containers/ListSortSearch.java

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//: containers/ListSortSearch.java
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// <20>2015 MindView LLC: see Copyright.txt
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// Sorting and searching Lists with Collections utilities.
import java.util.*;
import static net.mindview.util.Print.*;
public class ListSortSearch {
public static void main(String[] args) {
List<String> list =
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new ArrayList<>(Utilities.list);
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list.addAll(Utilities.list);
print(list);
Collections.shuffle(list, new Random(47));
print("Shuffled: " + list);
// Use a ListIterator to trim off the last elements:
ListIterator<String> it = list.listIterator(10);
while(it.hasNext()) {
it.next();
it.remove();
}
print("Trimmed: " + list);
Collections.sort(list);
print("Sorted: " + list);
String key = list.get(7);
int index = Collections.binarySearch(list, key);
print("Location of " + key + " is " + index +
", list.get(" + index + ") = " + list.get(index));
Collections.sort(list, String.CASE_INSENSITIVE_ORDER);
print("Case-insensitive sorted: " + list);
key = list.get(7);
index = Collections.binarySearch(list, key,
String.CASE_INSENSITIVE_ORDER);
print("Location of " + key + " is " + index +
", list.get(" + index + ") = " + list.get(index));
}
} /* Output:
[one, Two, three, Four, five, six, one, one, Two, three, Four, five, six, one]
Shuffled: [Four, five, one, one, Two, six, six, three, three, five, Four, Two, one, one]
Trimmed: [Four, five, one, one, Two, six, six, three, three, five]
Sorted: [Four, Two, five, five, one, one, six, six, three, three]
Location of six is 7, list.get(7) = six
Case-insensitive sorted: [five, five, Four, one, one, six, six, three, three, Two]
Location of three is 7, list.get(7) = three
*///:~