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// Online Java Compiler
// Use this editor to write, compile and run your Java code online

class Main {
    public static void main(String[] args) {
        //print right view of binary tree.
        String s = "race a car";
        for(int i = 0;i<s.length(); i++)
        {
            
            if((int) s.charAt[i] < 65 && (int) s.char[i] > 90)
            {
                s.replace(s.characterAt[i],"");
            }
        }
        
        char[] arr = new char[s.length()];
        char a = 'Z';
        //System.out.printLn(checkPalindrome(arr));
        System.out.println((int) a);
        
        
    }
    
    public static boolean checkPalindrome(char[] arr)
    {
        
        int i = 0;
        int j=arr.length-1;
        while(i < j)
        {
            if(arr[i] != arr[j])
            {
                return false;
            }
            else
            {
                i++;
                j--;
                continue;
            }
        }
        return true;
    }
    
    
}

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