Rechner/src/Calculator.java

@@ -1,19 +0,0 @@
-
-public class Calculator {
-
-	Node<Symbol> erzeugeBeispielBaum() {
-	
-		Node<Symbol> root = new Node<Symbol>(new Symbol("+"));
-		
-		root.left = new Node<Symbol>(new Symbol("3"));
-		
-		root.right = new Node<Symbol>(new Symbol("*"));
-		
-		root.right.left = new Node<Symbol>(new Symbol("5"));
-		
-		root.right.right = new Node<Symbol>(new Symbol("8"));
-	
-		return root;
-	}
-	
-}

Rechner/src/Symbol.java

@@ -15,16 +15,4 @@ public class Symbol {
 	public boolean istPlus() {
 		return s == "+";
 	}
-	
-	public boolean istOperator() {
-		return istPlus() || istMal();
-	}
-	
-	public boolean istZahl() {
-		return !istOperator();
-	}
-	
-	public int getInt() {
-		return Integer.parseInt(s);
-	}
 }

Rechner/src/Test.java

@@ -1,11 +0,0 @@
-
-public class Test {
-
-	public static void main(String[] args) {
-		
-		Calculator c = new Calculator();
-		
-		Node<Symbol> root = c.erzeugeBeispielBaum();
-	}
-
-}