import java.util.Scanner;

public class PasswordValidator {

	public static void main(String[] args) {
		// PASSWORD MUST CONTAIN MIN 8 CHARS, MAX 12 CHARS, ATLEAST 1 UPPERCASE, 1 LOWERCASE, 1 DIGIT, 1 SPL CHAR 
		Scanner scn = new Scanner(System.in);
		int maxLen = 12, minLen=8;
		System.out.println("Enter a password to validate");
		String pwd = scn.next();
		scn.close();
		int n = pwd.length();
		if (n<minLen || n>maxLen) {
			System.out.println("Password length must be between 8 to 12 characters");
			return;
		}
		char[] pw = pwd.toCharArray();
		int cntLower=0, cntUpper=0, cntDigit=0, cntSpl=0;
		for (int i=0; i<n; i++) {
			char ch = pw[i];
			if (ch>='A' && ch<='Z') cntUpper++;
			else if (ch>='a' && ch<='z') cntLower++;
			else if (ch>='1' && ch<='9') cntDigit++;
			else if (ch=='!' || ch=='£' || ch=='$' || ch=='%' || ch=='^' || ch=='&' || ch=='*' || ch=='-' || ch=='_' || ch=='+' || ch=='=' || ch==':' || ch==';' || ch=='@'|| ch=='#'|| ch=='~'|| ch=='>'|| ch=='<'|| ch=='?'|| ch=='.') cntSpl++; 
		}
		if (cntLower>0 && cntUpper>0 && cntDigit>0  && cntSpl>0) System.out.println("Password is valid...");
		else {
			System.out.println("Password is NOT VALID");
			System.out.println("PASSWORD MUST CONTAIN ATLEAST 1 UPPERCASE, 1 LOWERCASE, 1 DIGIT AND 1 SPL CHAR FROM ! £ $ % ^ & * - _ + = : ; @ ~ # ?");
		}
	}

}

package taskPkg;

public class PatternsPrintNos {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		PatternsPrintNos ptnNos = new PatternsPrintNos();
		int n=9;
		for (int i=0; i<=9; i++) {
			ptnNos.printNo(i,n);
			System.out.println();
		}
	}
	private void printNo(int num, int n) {
		int m=n/2+1;
		switch(num) {
		case 0:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==n || c==1 || c==n) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;			
		case 1:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (c==m) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 2:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==n || r==m || (r<=m && c==n) || (c==1 && r>=m)) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 3:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==n || r==m || c==n) System.out.print(" *"); 
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 4:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if ((c==1 && r<=m) || c==m ||  r==m ) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 5:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==n || r==m || (r<=m && c==1) || (c==n && r>=m)) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 6:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (c==1  ||  r==n || r==m || (r>m && c==n)) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 7:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || (c==n-r+1)) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;
		case 8:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==m || r==n || c==1 || c==n) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;		
		case 9:
			for (int r=1; r<=n; r++) {
				for (int c=1; c<=n; c++) {
					if (r==1 || r==m || (c==1 && r<=m) || c==n) System.out.print(" *");
					else  System.out.print("  ");
				}
				System.out.println();
			}
			break;				
		}

	}
}