How to open another java program in java and get all the information it sends on the console

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Well I was researching but I was not very successful, I wanted to open a java program, a jar, she does not have Jframe, she only sends information on the Console, I wanted to run her and take this information and send her this information too, Someone could help me ?

java eclipse netbeans

  • Welcome to the Sopt. Reading your question I think it would be nice to edit and reformulate the ending and if possible the title, because it was a little confused :D

  • Got very confused!

  • What you want to do is reverse engineer.

  • 1

    If you have researched, keep in mind that English research is usually more efficient. Look at this question in Stackoverflow, http://stackoverflow.com/questions/1320476/execute-ther-jar-in-a-java-program, particularly this answer, http://stackoverflow.com/a/1320609/1997073, should solve your problem.

  • Thanks, I don’t know much English, I’ve been doing some research, but I didn’t succeed.

  • I will try to explain better, I want to open a java program, as we open it in cmd, using scanner, without being Jframe(Graphical Interface), this "program" when executed returns me some messages I need to pick them up and send msg to him too. http://prntscr.com/8fx546

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The question is a little confusing, but if you want to take the data of this program you can try to run it by terminal (console) and assign to a text file.

Example:

java -jar Programa.jar > saida.txt

Thus, you can make your code read this text file to take advantage of the data that the jar program generated.

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