Simple Java Solution✅
\n# Code\n\nclass Solution {\n    public int countPairs(List<Integer> nums, int target) {\n        int count=0;\n        for(int i=0;i<nums.size();i++) {\n     
\n# Code\n```\nclass Solution {\n    public int countPairs(List<Integer> nums, int target) {\n        int count=0;\n        for(int i=0;i<nums.size();i++) {\n            for(int j= i+1;j<nums.size();j++) {\n                if(nums.get(i) + nums.get(j) < target) {\n                    count++;\n                }\n            }\n        }\n        return count;\n    }\n}\n```
['Java']