java get command line input

// Java program to demonstrate working of Scanner in Java 
import java.util.Scanner; 
  
class GetInputFromUser 
{ 
    public static void main(String args[]) 
    { 
        // Using Scanner for Getting Input from User 
        Scanner in = new Scanner(System.in); 
  
        String s = in.nextLine(); 
        System.out.println("You entered string "+s); 
  
        int a = in.nextInt(); 
        System.out.println("You entered integer "+a); 
  
        float b = in.nextFloat(); 
        System.out.println("You entered float "+b); 
    } 
} 

private static void GetOutput(final Process process) {
    new Thread() {
        public void run() {
            BufferedReader input = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line = null; 
            try {
                while ((line = input.readLine()) != null) {
                    System.out.println(line);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }.start();
}