Generate random seed specifying length in bytes unit

generate-random-seed.java

import java.util.Random;
import javax.xml.bind.DatatypeConverter;

/**
 * Generate random seed
 *
 * @param seedlength Seed length in bytes unit
 * @return seed
 */
public String generateSeed(int seedlength) {
    Random random = new Random();
    
    byte[] seed = new byte[seedlength];
    random.nextBytes(seed);
    
    String strSeed;
    strSeed = DatatypeConverter.printHexBinary(seed);
    
    return strSeed;
}