Checking area overlapping TC O(1)
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution {\n    public boolean isRectangleOverlap(int[] rec1, int[] rec2) {\n        int left = Math.max(rec1[0],rec2[0]);\n        int right = Math.min(rec1[2], rec2[2]);\n        int top = Math.min(rec1[3],rec2[3]);\n        int bottom = Math.max(rec1[1], rec2[1]);\n        if(left < right && bottom < top)\n        return true;\n        return false;\n    }\n}\n```
['Java']