Java – Format Zip Code

import java.text.DecimalFormat;

public class ZipFormatTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		DecimalFormat zip5 = new DecimalFormat("00000");
		DecimalFormat zip4 = new DecimalFormat("0000");
		System.out.println(zip5.format(7601) + "-" + zip4.format(123));

		System.out.println(zip5.format(7601));

	}

}

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