Added Library JLINE

src/main/java/org/cametendo/BlockSize.java

@@ -0,0 +1,39 @@
+package org.cametendo;
+import java.util.Scanner;
+
+public class BlockSize {
+    
+    public static String blockSizeString = "";
+    
+    static String blockSize(Scanner UserInput) {
+        System.out.println("Choose a block size (Default: 4M)");
+        System.out.println("512KB (1), 1M (2), 2M (3), 4M (4), 8M (5), 16M (6)");
+        String blockSizeInput = UserInput.nextLine();
+
+        switch (blockSizeInput) {
+            case "1":
+                blockSizeString = "512KB";
+                break;
+            case "2":
+                blockSizeString = "1M";
+                break;
+            case "3":
+                blockSizeString = "2M";
+                break;
+            case "4":
+                blockSizeString = "4M";
+                break;
+            case "5":
+                blockSizeString = "8M";
+                break;
+            case "6":
+                blockSizeString = "16M";
+                break;  
+            default:
+                blockSizeString = "4M";
+                break;
+        }
+        System.out.println("Using blocksize of: " + blockSizeString);
+        return blockSizeString;
+    }
+}