Permutations Of String In Java

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public class JavaPermutationOfString {
	public static void main(String args[]) {
		String string = "java";
		permutation(string);
	}

	public static void permutation(String string) {
		permutation("", string);
	}

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

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