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48 lines (34 loc) · 1.06 KB
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Copy pathbalance.java
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48 lines (34 loc) · 1.06 KB
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package stacks;
import java.util.Stack;
public class balance {
public static boolean solution(String exp) {
Stack<Character> s = new Stack<>();
for (int i = 0; i < exp.length(); i++) {
if (exp.charAt(i) == '{' || exp.charAt(i) == '[' || exp.charAt(i) == '(') {
s.push(exp.charAt(i));
}
else if (exp.charAt(i) == '}' || exp.charAt(i) == ']' || exp.charAt(i) == ')') {
if (s.empty()) {
return false;
}
char top = s.pop();
if (exp.charAt(i) == '}' && top == '{') {
continue;
} else if (exp.charAt(i) == ']' && top == '[') {
continue;
} else if (exp.charAt(i) == ')' && top == '(') {
continue;
}
else {
return false;
}
}
}
if (s.isEmpty()) {
return true;
}
else {
return false;
}
}
}