сбалансированная струна на Java
public boolean isBalanced(String string) {
HashMap<Character, Character> bracketMap = new HashMap<>();
bracketMap.put('(', ')');
bracketMap.put('[', ']');
bracketMap.put('{', '}');
Stack<Character> stack = new Stack<>();
for(int count = 0; count < string.length(); count++) {
char current = string.charAt(count);
if(bracketMap.keySet().contains(current)) {
stack.push(current);
} else if(bracketMap.values().contains(current)) {
if(!stack.empty() && bracketMap.get(stack.peek()) == current){
stack.pop();
} else {
return false;
}
}
}
return stack.empty();
}
Beautiful Batfish