Simple solution using String || Beginner Friendly || JAVA
\n\n# Code\n\nclass Solution {\n    public long findTheArrayConcVal(int[] nums) {\n        long out=0;\n\n        for(int i=0;i<nums.length/2;i++)\n            
\n\n# Code\n```\nclass Solution {\n    public long findTheArrayConcVal(int[] nums) {\n        long out=0;\n\n        for(int i=0;i<nums.length/2;i++)\n            out+=Long.parseLong(String.valueOf(nums[i])+String.valueOf(nums[nums.length-1-i]));\n        if(nums.length%2==1)\n            out+=nums[nums.length/2];\n        return out; \n    }\n}\n```
['Java']