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how to compare 2 files in java

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hello, i have 2 text files, one is small (file_1: about 200 lines) and the other is fairly large (file2: 12 k - 20 k lines). file_1: tango 12 beta 256 alpha 1700 tango 1200 file_2: tango 12 tango 125 hello world beta 256 alpha 1700 Recent gama 5100 hi friend Test charlie 502 hello dear ....... .... I need to remove lines in file_2 which contains file_1 entries. ie. read line by line from file_2, compare with file_1 lines, if match , remove , else append to a new file. mathces are exact string matches, both are text files. output_file: test tango 125 hello world Recent gama 5100 hi friend Test charlie 502 hello dear ....... .... please help me code for this problem in java.

set /p command does not w...

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