how to read input file as a command line using java?

Answer 1

using the argument passed in the main program

(i.e)

public static void main(String arg[])
{

}

run the java program as

java filename arg1 agr2 arg3 and so on...

the program takes arg1 as Ist input then arg2 as IInd input and so on...

Answer 2

Read the argv[] params from main.