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Copy pathValidParentheses.java
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43 lines (42 loc) · 946 Bytes
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import java.util.Stack;
public class ValidParentheses {
public static boolean isValid(String s) {
char[] c = s.toCharArray();
Stack<Character> stack = new Stack<Character>();
try {
for (char cStr : c) {
switch (cStr) {
case '(':
stack.push(cStr);
break;
case '[':
stack.push(cStr);
break;
case '{':
stack.push(cStr);
break;
case ')':
if (stack.pop() != '(')
return false;
break;
case ']':
if (stack.pop() != '[')
return false;
break;
case '}':
if (stack.pop() != '{')
return false;
break;
default:
break;
}
}
} catch (Exception e) {
return false;
}
if (!stack.isEmpty()) {
return false;
}
return true;
}
}