From c7af9a2a5e0d8fe85d2801a9084ff1e09bb7fdce Mon Sep 17 00:00:00 2001
From: devra <devra@Framework.fritz.box>
Date: Mon, 8 Jan 2024 22:33:18 +0100
Subject: [PATCH] Maximal-Berechnung Implementiert

---
 .../informatik/spreadsheet/Spreadsheet.java   | 35 ++++++++++++++++---
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index 5a1d555..6abb43a 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -174,7 +174,7 @@ public class Spreadsheet {
 			
 		
 		
-		else if (formula.startsWith("STABW(")) {  // e.g. STABW(C6:D8) -> Standardabweichung
+		else if (formula.startsWith("STABW(")) {  // e.g. STABW(C6:D8) -> minimal-wert
 			String[] onlyCells = formula.substring(6, formula.length() - 1).split(":");
 			
 			if(checkIfCellExists(onlyCells[0])&&checkIfCellExists(onlyCells[1])) {
@@ -194,8 +194,13 @@ public class Spreadsheet {
 			
 			
 			
-		else if (formula.startsWith("MAX("))  // e.g. MAX(A1:A10) -> Standardabweichung
-			result = "TODO"; // TODO
+		else if (formula.startsWith("MAX(")) {// e.g. MAX(A1:A10) -> maximal-wert
+			String[] onlyCells = formula.substring(4, formula.length() - 1).split(":");
+			if(checkIfCellExists(onlyCells[0])&&checkIfCellExists(onlyCells[1])) {
+				result = "" + max(onlyCells[0], onlyCells[1]);
+			}
+		}
+			
 		else if (!formula.isEmpty()) {
 			try {
 				result = "" + calculate(formula);	//calculates the result of a "normal" algebraic expression.
@@ -213,6 +218,8 @@ public class Spreadsheet {
 
 	
 
+	
+
 	/**
 	 * Method for calculating the sum of a rectangular block of cells, such as from A1 to B3.
 	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
@@ -294,11 +301,29 @@ public class Spreadsheet {
 	            minValue = werte[i]; 
 	        }
 	    }
-
 	    return minValue;
-		
 	}
 	
+	
+	
+	private long max(String startCellName, String endCellName) {
+		int werte[]=getValues(startCellName,endCellName);
+		
+		if (werte.length == 0) {
+	        return 0; // Handle an empty array as needed
+	    }
+
+	    int maxValue = werte[0]; 
+
+	    for (int i = 1; i < werte.length; i++) {
+	        if (werte[i] > maxValue) {
+	            maxValue = werte[i]; 
+	        }
+	    }
+	    return maxValue;
+	}
+	
+	
 //	TODO: Javadoc comments
 	private int[] getValues(String startCellName, String endCellName) {
 		int startZeile=getRow(startCellName);