java remove duplicate string collection

/**
 * @author lautturi.com 
 * Java example: remove duplicate string collection in java
 */


import java.util.*;
import java.util.regex.Pattern;

public class Lautturi {

	public static void main(String[] args) {
		String str = "LLAAUUTTURIII JAVAVAVA";

		System.out.println(str);
		
		String newStr = "";
		String[] arr = str.split("");
		newStr = (new LinkedHashSet<>(Arrays.asList(arr)))
				.toString()
				.replace("[", "")
				.replace("]", "")
				.replace(", ", "")
				;
		
		System.out.println(newStr);
	}
}

output:

LLAAUUTTURIII JAVAVAVA
LAUTRI JV