Simple Java Solution without concatenation
\n# Code\n\nclass Solution {\n    public boolean isAcronym(List<String> words, String s) {\n        int i = 0;\n        int n = s.length();\n        if(n != wor
\n# Code\n```\nclass Solution {\n    public boolean isAcronym(List<String> words, String s) {\n        int i = 0;\n        int n = s.length();\n        if(n != words.size()) return false;\n        for(String word : words) {\n            if(word.charAt(0) != s.charAt(i++)) return false;\n        }\n        return true;\n    }\n}\n```
['Java']