Answers for "java generate random code"

Java

generate 5 digit random string in java

RandomStringUtils.randomAlphanumeric(17).toUpperCase()

Posted by: Guest on September-01-2020

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-1

java 8 random string generator

@Test
public void givenUsingJava8_whenGeneratingRandomAlphanumericString_thenCorrect() {
    int leftLimit = 48; // numeral '0'
    int rightLimit = 122; // letter 'z'
    int targetStringLength = 10;
    Random random = new Random();
 
    String generatedString = random.ints(leftLimit, rightLimit + 1)
      .filter(i -> (i <= 57 || i >= 65) && (i <= 90 || i >= 97))
      .limit(targetStringLength)
      .collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append)
      .toString();
 
    System.out.println(generatedString);
}

Posted by: Guest on June-09-2020

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