unnecessary prints are removed

src/killer_sokoban/Main.java

 package killer_sokoban;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.util.HashMap;
-import java.util.Map;
+
+import java.io.*;
+import java.util.*;
 import java.util.Map.Entry;
-import java.util.Objects;
-import java.util.Scanner;
 
 public class Main {
 	
@@ -23,8 +16,6 @@ public class Main {
 	private static BufferedReader br = new BufferedReader(isr);
 	
 	public static void main(String[] args) throws IOException {
-		System.out.println("Üdv a protóban! Kilépés EOF-fal");
-		
 		
 		while (true) {
 			String line;
@@ -34,7 +25,6 @@ public class Main {
 			
 			runCommand(line);			
 		}
-		System.out.println("Viszlát!");
 	}
 	
 	
@@ -84,39 +74,31 @@ public class Main {
 		//Parancs értelmezés, és a szükséges függvény meghívása
 		if (cmd[0].equals("parsemap")) {			
 			parseMap(Integer.parseInt(cmd[1]), Integer.parseInt(cmd[2]));
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("worker")) {
 			spawnWorker(cmd[1],Double.parseDouble(cmd[2]),cmd[3]);
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("crate")) {
 			spawnCrate(cmd[1],cmd[2]);
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("setswitch")) {
 			setSwitch(cmd[1], cmd[2]);
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("putfluid")) {
 			putFluid(cmd[1], cmd[2].charAt(0));
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("step")) {
 			step(cmd[1],cmd[2]);
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("stat")) {
 			stat(cmd[1]);
-			System.out.println("OK");
 		}
 		else if (cmd[0].equals("script")) {
 			script(cmd[1]);
-			System.out.println("OK");
 		}
 		else 
 		{
-			System.out.println("érvénytelen parancs");
+			System.out.println("unrecognized command");
 		}
 		
 	}
@@ -235,6 +217,10 @@ public class Main {
 		{
 			crates.get(object).printStat();
 		}
+		else
+		{
+			System.out.println("This doesn't exist!");
+		}
 	}
 	
 	private static void script(String file) throws IOException