I write a Java program, but I’m not sure how to introduce an arbitrary number of text files as input to the command line when running the program – i. e. When the Java program lista1 command. txt Text2. txt text 3. txt. . . Does anyone know how I could implement this, where there is an input variable number of user files? Thanks in advance.
How do you allow a Java program to accept an arbitrary number of text files as input when the program begins? Filed under Programming 2 comments
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How do you allow a Java program to accept an arbitrary number of text files as input when the program begins?
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notice every “main” class has a main function with a String-array argument, which contains all the arguments passed at the command-line. So, you could read each argument and load the corresponding text file:
public static void main(String[] args) {
for(String filename : args) {
//load or do whatever with the file; the filename is in “filename”
}
}
//pk
//detail explanation of reply given by user: _anonymous_
import java.io.FileInputStream;
public class Test6 {
public static void main (String[] args) {
for (String filename : args) {
try {
FileInputStream in = new FileInputStream (filename);
byte data[] = new byte [in.available()];
in.read (data);
in.close();
System.out.println (“File contents: n” + new String(data));
}
catch (Exception e) {
System.out.println (“Error in processing file: “+filename);
}
}
}
}