用栈来校验括号匹配的方法；字符占的字节数与编码格式的换算。

import java.util.Stack;

/**
 * @author gdp
 * @date 2020/4/1 10:04   括号匹配校验方法
 */
public class Solution<main> {
    //  1 {(   ) }    2 { ( (  }
    public static boolean isValid(String s){
        Stack<Character> stack = new Stack<>();
        for(int i = 0; i<s.length(); i ++ )
        {
            char c = s.charAt(i);
            if (c == ‘(‘ || c == ‘[‘ || c == ‘{‘) {
                stack.push(c);
            }else{
                if(stack.isEmpty()) return false;
                char TopChar = stack.pop();
                if( c == ‘)‘ && TopChar != ‘(‘ ) return false;
                if( c == ‘]‘ && TopChar!=  ‘[‘ ) return false;
                if( c == ‘}‘ && TopChar!= ‘{‘ ) return false;
            }
        }
        return stack.isEmpty();

    }

    public static void main(String[] args) {

        boolean valid = Solution.isValid("{((}");
        System.out.println(valid);

    }

}