Easy and highly optimized solution Java and Python ||Beats 100% Runtime||
Java []\n    public boolean checkIfPangram(String sentence) {\n        for (int i=97;i<=122;i++)\n        {\n            if(sentence.indexOf((char)i)<0)\n      
```Java []\n    public boolean checkIfPangram(String sentence) {\n        for (int i=97;i<=122;i++)\n        {\n            if(sentence.indexOf((char)i)<0)\n            {\n                return false;\n            }\n        }\n        return true;\n    }\n}\n```\n```python []\nclass Solution(object):\n    def checkIfPangram(self, sentence):\n        for num in range(97,123):\n            if chr(num) not in sentence:\n                return False\n    \xA0\xA0\xA0\xA0return\xA0True\n```
['Python', 'Java']