String permutations Java

gistfile1.java

public class StringPermutations {
	public static void main(String[] args) {
		permuteString("abc");
	}

	private static void permuteString(String str) {
		permutation("", str);

	}

	private static void permutation(String prefix, String str) {
		int n = str.length();
		if (n == 0)
			System.out.println(prefix);
		else {
			for (int i = 0; i < n; i++)
				permutation(prefix + str.charAt(i), str.substring(0, i) + str.substring(i + 1, n));
		}
	}
}