Simple JAVA Solution for beginners. 0ms. Beats 100%.
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution {\n    public int countSeniors(String[] details) {\n        int count = 0;\n        int age;\n        for(String x : details) {\n            age = (x.charAt(11) - \'0\') * 10 + x.charAt(12) - \'0\';\n            count += age > 60 ? 1 : 0;\n            \n        }\n        return count;\n    }\n}\n```
['Array', 'String', 'Java']