diff --git a/stacks/Assignment/MinimumBracketsReversal.java b/stacks/Assignment/MinimumBracketsReversal.java index 1b2c89b..f225084 100644 --- a/stacks/Assignment/MinimumBracketsReversal.java +++ b/stacks/Assignment/MinimumBracketsReversal.java @@ -40,11 +40,11 @@ public static int countBracketsReversals(String expression) { return -1; // Only even numbers of brackets can be balanced } - var stack = new Stack(); + Stack stack = new Stack(); for (int i = 0; i < expression.length(); i++) { char currentCharacter = expression.charAt(i); - if (currentCharacter == '(') { + if (currentCharacter == '{') { stack.push(currentCharacter); } else { // pop if there is a balanced pair