The example below shows how to retrieve data from command line, using traditional for statement and using
  •  for (variable: collection)
        statement
     

import java.io.*;
//javac for_commandline.java
//class commandline.java
class for_commandline{
public static void main(String arguments[]){
for(int i = 0; i < arguments.length; i++){
System.out.println(" Arguments " + i + ":" + arguments[i]);
}
}
}

import java.io.*;
//javac for_each_equivalent.java
public class for_each_equivalent
{
static public void main(String args[])
{
for (String element: args) {
System.out.println(element);
}
}
}