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import java.util.*; public class CollectionsBinarySearchExample4 { public static void main(String[] args) { //Create list ArrayList<Integer> arlist = new ArrayList<Integer>(); arlist.add(5); arlist.add(4); arlist.add(2); arlist.add(1); arlist.add(3); Collections.sort(arlist); //Search for key int index = Collections.binarySearch(arlist, 4, null ); System.out.println("4 is available at index: "+index); } }
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