Update PassBook.java

programs/mutant-5/swen90006/passbook/PassBook.java

@@ -94,7 +94,7 @@ public class PassBook
 	    for (int i = 0; i < passphrase.length(); i++) {
 
 		if ('a' <= passphrase.charAt(i) && passphrase.charAt(i) <= 'z') {
-		    containsLowerCase = true;
+		    containsLowerCase = false;
 		}
 		else if ('A' <= passphrase.charAt(i) && passphrase.charAt(i) <= 'Z') {
 		    containsUpperCase = true;
@@ -206,7 +206,7 @@ public class PassBook
 	}
 
 	PasswordTable pt = details.get(passbookUsername);
-	if (urlUsername == null&&urlPassword == null) {
+	if (urlUsername == null || urlPassword == null) {
 	    pt.remove(url);
 	}
 	else {