Easy and Simple- Java Solution using Arrays
\nclass Solution {\n    public boolean checkIfPangram(String sentence) {\n        //declare a array to maintain every char occurance\n        int a[]=new int[26
```\nclass Solution {\n    public boolean checkIfPangram(String sentence) {\n        //declare a array to maintain every char occurance\n        int a[]=new int[26];\n        //traverse String\n        for(int i=0;i<sentence.length();i++)\n        {\n            int ch;\n            ch=sentence.charAt(i);\n            if(a[ch-97]==1)\n                continue;\n            else\n                a[ch-97]=1;\n        }\n        //traverse the Array to check for every char occurance \n        for(int i=0;i<a.length;i++)\n        {\n            if(a[i]!=1)\n                return false;\n        }\n        return true;\n    }\n}\n```
['Array', 'Java']