diff --git a/src/practice1.java b/src/practice1.java
deleted file mode 100644
index ba77f9b..0000000
--- a/src/practice1.java
+++ /dev/null
@@ -1,38 +0,0 @@
-import java.util.ArrayList;
-import java.util.Scanner; //scanner
-
-class HelloWorld {
-    static void calculate(ArrayList<E> ENTRIES_LIST, String OPERATION) {
-		// Calculate length. 
-		int ENTRIES_LIST_LENGTH = LIST_ENTRIES.length;
-
-		if (ENTRIES_LIST_LENGTH > 0) {
-			// Create a placeholder for return result. 
-			float OPERATION_RESULT = ENTRIES_LIST.get(0);
-			
-			if (ENTRIES_LIST_LENGTH > 1) {
-				for (int ENTRY_CURRENT = 1; ENTRY_CURRENT < ENTRIES_LIST_LENGTH; ENTRY_CURRENT++) {
-					if (OPERATION == "+") {
-						OPERATION_RESULT += ENTRIES_LIST.get(ENTRY_CURRENT);
-					} else if (OPERATION == "-") {
-						OPERATION_RESULT -= ENTRIES_LIST.get(ENTRY_CURRENT);
-					};
-				};
-			};
-		};
-	};
-	
-	
-	public static void main(String[] args) {
-        Scanner input = new Scanner(System.in);
-
-		// Initialize the input numbers. 
-		ArrayList NUMBERS_INPUT = new ArrayList();
-		// Ask the number. 
-		
-
-		System.out.println();
-		
-		System.out.println("Hello, World!");
-    }
-}
\ No newline at end of file