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Copy pathValidParentheses.java
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37 lines (36 loc) · 891 Bytes
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import java.util.*;
public class ValidParentheses {
static boolean isBalanced(String s){
Stack<Character> st= new Stack<>();
for(int i=0; i<s.length(); i++){
char ch=s.charAt(i);
if(ch=='('){
st.push(ch);
}
else{
if(st.size()==0){
return false;
}
if(st.peek()=='('){
st.pop();
}
}
}
if(st.size()>0){
return false;
}
else{
return true;
}
}
public static void main(String[] args) {
String s= "(()(()))";
System.out.println(s);
if(isBalanced(s)){
System.out.println("Valid Parentheses");
}
else{
System.out.println("Invalid Parentheses");
}
}
}