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();
}
}generate 5 digit random string in java
RandomStringUtils.randomAlphanumeric(17).toUpperCase()generate a random string in java
@Test
public void givenUsingJava8_whenGeneratingRandomAlphabeticString_thenCorrect() {
int leftLimit = 97; // letter 'a'
int rightLimit = 122; // letter 'z'
int targetStringLength = 10;
Random random = new Random();
String generatedString = random.ints(leftLimit, rightLimit + 1)
.limit(targetStringLength)
.collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append)
.toString();
System.out.println(generatedString);
}Copyright © 2021 Codeinu
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