inserting data in the middle of a text file through java

前端 未结 2 497
礼貌的吻别
礼貌的吻别 2020-12-19 19:49

I want to insert the data at some positions in the text file without actually overwriting on the existing data.I tried RandomAccessFile ....but that also overwrites it.... I

相关标签:
2条回答
  • 2020-12-19 20:15

    You have to read your file and rewrite it. During this operation you have to find the place where you want to put your text and write it.

    0 讨论(0)
  • 2020-12-19 20:35

    It is not possible (not with Java, and not with any other programming language) to "just" insert data in the middle of the file, without having to re-write the rest of the file. The problem is not the programming language, the problem is the way files work.

    0 讨论(0)
提交回复
热议问题