Merge pull request #455 from siddharthtankariya/siddharthtankariya_checking_password_strength

Password Strength Checker

Author: t2013anurag

password_generator/PasswordStrength.java

@@ -0,0 +1,36 @@
+public class PasswordStrength {
+ public static void main(final String ar[]) {
+  String password = AbraKadabra1287832FQENi;
+
+  boolean hasLetter = false;
+  boolean hasDigit = false;
+  boolean hasUpperCase = false;
+  boolean hasLowerCase = false;
+
+  if (password.length() >= 8) {
+   for (int i = 0; i < password.length(); i++) {
+    char x = password.charAt(i);
+    if (Character.isLetter(x)) {
+     if (Character.isUpperCase(x)) {
+      hasUpperCase = true;
+     } else if (Character.isLowerCase(x)) {
+      hasLowerCase = true;
+     }
+     hasLetter = true;
+    } else if (Character.isDigit(x)) {
+     hasDigit = true;
+    }
+   if (hasLetter && hasDigit && hasUpperCase && hasLowerCase) {
+     break;
+    }
+   }
+   if (hasLetter && hasDigit && hasUpperCase && hasLowerCase) {
+    System.out.println("STRONG");
+   } else {
+    System.out.println("NOT STRONG");
+   }
+  } else {
+   System.out.println("HAVE AT LEAST 8 CHARACTERS");
+  }
+ }
+}