JAVA
20자리 랜덤 문자열 생성 (AccessKey 만들 때)
주탱2
2022. 10. 13. 01:50
랜덤 문자열 생성 (AccessKey 만들 때)
import java.util.Random;
public class MyClass {
public static void main(String args[]) {
String str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
int strLength = str.length();
Random random = new Random();
StringBuffer randomStr = new StringBuffer();
for (int i = 0; i < 20; i++) {
randomStr.append(str.charAt(random.nextInt(strLength)));
}
System.out.println(randomStr.toString());
}
}