Test.java

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.ArrayList;

public class Test{
  public static int minItem(ArrayList<Integer> l){
    int y = Integer.MAX_VALUE;
    for(int i=0; i<l.size(); ++i){
      int x = l.get(i);
      if(x < y) y = x;
    }
    return y;
  }
  public static void main(String[] args) throws IOException{
    System.out.println("Hellworld!");
    //File file1 = new File("test.txt");
    //Scanner = 
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    String input = reader.readLine();
    ArrayList<Integer> nums = new ArrayList<Integer>();
    while(input.length() > 0){
      int x = Integer.parseInt(input);
      nums.add(x);
      input = reader.readLine();
    }

    System.out.println("nums: " + nums);
    System.out.println("min: " + minItem(nums));
  }
}