From d4b9dc25f20bf14e212058ad472a7d43f734fb26 Mon Sep 17 00:00:00 2001
From: mittelni <mittelni@localhost>
Date: Fri, 18 Mar 2022 12:54:48 +0100
Subject: [PATCH] Update 18.3.2022

---
 Rechner/src/Symbol.java | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Rechner/src/Symbol.java b/Rechner/src/Symbol.java
index 6f7c057..6f6c05c 100644
--- a/Rechner/src/Symbol.java
+++ b/Rechner/src/Symbol.java
@@ -15,4 +15,16 @@ 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);
+	}
 }