generate random string in java
import java.util.Random;
public class Generator {
public static String generateRandomPassword(int len) {
String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijk"
+"lmnopqrstuvwxyz!@#$%&";
Random rnd = new Random();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++)
sb.append(chars.charAt(rnd.nextInt(chars.length())));
return sb.toString();
}
}java generate random string and number
// "0123456789" + "ABCDE...Z"
String validCharacters = $('0', '9').join() + $('A', 'Z').join();
String randomString(int length) {
return $(validCharacters).shuffle().slice(length).toString();
}
@Test
public void buildFiveRandomStrings() {
for (int i : $(5)) {
System.out.println(randomString(12));
}
}Copyright © 2021 Codeinu
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