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ApacheTreeBag.java
32 lines (25 loc) · 1.27 KB
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ApacheTreeBag.java
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import org.apache.commons.collections4.Bag;
import org.apache.commons.collections4.bag.TreeBag;
import java.util.Arrays;
public class ApacheTreeBag {
public static void main(String[] args) {
// Parse text to separate words
String INPUT_TEXT = "Hello World! Hello All! Hi World!";
// Create Multiset
Bag bag = new TreeBag(Arrays.asList(INPUT_TEXT.split(" ")));
// Print count words
System.out.println(bag); // print [1:All!,2:Hello,1:Hi,2:World!]- in natural (alphabet) order
// Print all unique words
System.out.println(bag.uniqueSet()); // print [All!, Hello, Hi, World!]- in natural (alphabet) order
// Print count occurrences of words
System.out.println("Hello = " + bag.getCount("Hello")); // print 2
System.out.println("World = " + bag.getCount("World!")); // print 2
System.out.println("All = " + bag.getCount("All!")); // print 1
System.out.println("Hi = " + bag.getCount("Hi")); // print 1
System.out.println("Empty = " + bag.getCount("Empty")); // print 0
// Print count all words
System.out.println(bag.size()); //print 6
// Print count unique words
System.out.println(bag.uniqueSet().size()); //print 4
}
}