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Joe Lee
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Asked: 2022-04-18T02:56:51+00:00 In:

Java Generate Random Number Between 1000 And 9999

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I need to generate random number between 1000 And 9999. Here is my code: 

public static int getRandomNumber (int max) {
  return (int) (Math.random()*max);
}

Do you have a better suggestion, please suggest

♦ Suggestions of ITtutoria Team
Ideas for “Java Generate Random Number Between 1000 And 9999”:

/* min = 1000; max = 9999 */
public static int getRandomNumber (int min, int max) {
 
int randomNumber = ( int )( Math.random() * max );
if( randomNumber <= min ) {
    randomNumber = randomNumber + min;
}
return randomNumber;
}

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1 Answer

  1. Best Answer
    public int getRandomNumber(int min, int max) {
    return (int) ((Math.random() * (max - min)) + min);
}
    • 23

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