diff --git a/Week8/Assignment8/bin/partB/Replace.class b/Week8/Assignment8/bin/partB/Replace.class
index 0cb5f57..738c791 100644
Binary files a/Week8/Assignment8/bin/partB/Replace.class and b/Week8/Assignment8/bin/partB/Replace.class differ
diff --git a/Week8/Assignment8/src/partB/Replace.java b/Week8/Assignment8/src/partB/Replace.java
index cb63888..06d3491 100644
--- a/Week8/Assignment8/src/partB/Replace.java
+++ b/Week8/Assignment8/src/partB/Replace.java
@@ -16,11 +16,7 @@ public class Replace {
 			return; //If a is a null pointer, return immediately to prevent a NullPointerException
 		}
 		//NOTE: return; (a return statement without a return value) in a method with no return type will break out of the method.
-		for(int i = 0;i<a.length;i++) { //loop from 0 to the length of array a, number of completed iteration is stored in i (type int)
-			System.out.print(a[i]); //print out the value of array a at index i
-			if(i<a.length-1)System.out.print(","); //print out a comma if the printed digit before it is not the last digit (last digit does not need a comma)
-		}
-		System.out.println(); //Create a newline to make the format looks uniform
+		for(int i = 0;i<a.length;i++)System.out.format("%d%s",a[i],i==a.length-1?"\n":",");  //Loop from i to a.length use a ternary operator to determine if value printed is the last one, if it is, create a new line , if not, insert a comma (')for(int i = 0;i<a.length;i++)System.out.format("%d%s",a[i],i==a.length-1?"\n":",");  //Loop from i to a.length use a ternary operator to determine if value printed is the last one, if it is, create a new line , if not, insert a comma (')
 	}
 
 	public static void main(String[] args) {