import java.util.Scanner; public class Mood { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s1 = sc.nextLine(); int n = UserMainCode.display(s1); if(n==1){ System.out.println("Valid password"); }else{ System.out.println("Invalid password"); } } } class UserMainCode { public static int display(String password){ if(password.matches(".*[a-z]{a,}.*") && password.matches(".*[@#$]{1,}.*") && password.length()>=4 && password.length()<=20) { return 1; } else { return -1; } } }
var
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