Java中逐行随机访问文件查找操作

Question

I have large text file in a sorted form. I want to search records and insert new record in this file. For searching binarySearch looks better choice but to implement binary search I need a seek operation which will works on line number(Random Access File seek operation works on offset or byte length in java) Please guide me what will the better alternative to perform search operation in sorted file using java.

Answer 1

您始终可以使用line-> byte indexing实施二进制搜索，这样您就知道要跳转到什么偏移量了...