From f8d90897f14d761bcd4f826faa5edf5b3df10a54 Mon Sep 17 00:00:00 2001
From: Alexander Guenzel <alexander.guenzel@informatik.hs-fulda.de>
Date: Fri, 22 Apr 2022 22:40:09 +0200
Subject: [PATCH] Start

---
 ArrayManipulation.java | 70 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 ArrayManipulation.java

diff --git a/ArrayManipulation.java b/ArrayManipulation.java
new file mode 100644
index 0000000..f22c7ab
--- /dev/null
+++ b/ArrayManipulation.java
@@ -0,0 +1,70 @@
+package bonusquiz;
+
+import java.util.Arrays;
+
+public class ArrayManipulation {
+
+   
+    public static int[] reverseArray(int[] arr) {
+
+        for (int i = 0; i < arr.length/2; i++) {
+            int tmp = arr[i];
+            arr[i] = arr[arr.length - 1 - i];
+            arr[arr.length - 1 - i] = tmp;
+         }
+         return arr; 
+    }
+    
+    /*Liefert ein neues Array zurück ohne das erste Element*/
+    public static int[] removeFirst(int[] arr) {
+	
+	int [] arrNeu = {};
+	if(arr.length != 0) {
+	    arrNeu = new int[arr.length-1];
+	    for (int i = 1; i < arr.length; i++) {
+		 arrNeu[i-1] = arr[i];
+	      }
+	}
+         return arrNeu; 
+	
+    }
+    /*Erstellt ein  neues Array ohne das letzte Element*/
+    public static int[] removeLast(int[] arr) {
+    	
+    	int [] arrNeu = {};
+    	    arrNeu = new int[arr.length-1];
+    	    if(arr.length != 0) {
+    	    for (int i =0; i < arr.length -1; i++) {
+    	    		arrNeu[i] = arr[i];	
+    	    	}
+    	      }
+    	
+             return arrNeu; 
+    	
+        }
+    
+    /*Erstellt ein  neues Array wo alle Zahlen quadriert werden*/
+
+    public static int[] squareEach(int[] arr) {
+    	
+    	int [] arrNeu = {};
+    	arrNeu = new int[arr.length];
+    	for (int i=0; i <arr.length; i++) {
+    		arrNeu[i] = arr[i] * arr[i];
+    	}
+		return arrNeu;	
+    	
+    }
+    
+        
+    
+    public static void main(String[] args) {
+       
+        int[] arr = {1,2,3,4,5};
+        int [] arr2 = {};
+        System.out.println(Arrays.toString(reverseArray(arr)));
+        System.out.println(Arrays.toString(removeFirst(arr)));
+        System.out.println(Arrays.toString(removeLast(arr)));
+        System.out.println(Arrays.toString(squareEach(arr)));
+    }
+}