first one done

ParseString.java

@@ -0,0 +1,15 @@
+public class ParseString{
+   private String str;
+   public ParseString(String str){
+      this.str = str;
+   }
+   public double sumOfAll(){
+      String new_str = this.str.replaceAll(" +",",");
+      String[] parts = new_str.split(",");
+      double total = 0;
+      for (int i = 0; i < parts.length; i ++){
+         total += Double.parseDouble(parts[i]);
+      }
+      return total;
+   }
+}

TestParseString.java

@@ -2,7 +2,6 @@ public class TestParseString
 {
    public static void main(String[] args)
    {
-      /*
       String s1 = "12.3,4.9 6,9 0,8";
       ParseString ps1 = new ParseString(s1);
       System.out.println("Sum of all number in \"" + s1 + "\" is: ");
@@ -14,6 +13,5 @@ public class TestParseString
       System.out.println("Sum of all number in \"" + s2 + "\" is: ");
       System.out.println(ps2.sumOfAll());
       System.out.println();
-      */
    }
 }