Question

write a java program to concatenate the one file into the end of another file.
help me need it urgently​

Answer 1

Answer:

Let the given two files be file1.txt and file2.txt. Our Task is to merge both files into third file say file3.txt. The following are steps to merge.

Create PrintWriter object for file3.txt

Open BufferedReader for file1.txt

Run a loop to copy each line of file1.txt to file3.txt

Open BufferedReader for file2.txt

Run a loop to copy each line of file2.txt to file3.txt

Flush PrintWriter stream and close resources.

To successfully run the below program file1.txt and file2.txt must exits in same folder OR provide full

Explanation:

hope it is helpful