remove duplicates from String in java

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


import java.util.*;

public class Lautturi {

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

		for (int a = 0; a <= str.length()-1; a++) {
			if (newStr.contains("" + str.charAt(a))) { 
			   continue;
			}
			newStr += str.charAt(a);
		}
		System.out.println(str);
		System.out.println(newStr);
	}
}

output:

LLAAUUTTURIII JAVAVAVA
LAUTRI JV