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Datei verschoben, Methode ergänzt

vers_2
Lena 3 years ago
parent
commit
26e7b7f1ef
  1. 22
      ArrayManipulation.java
  2. 34
      HA1/ArrayManipulation.java

22
ArrayManipulation.java

@ -1,22 +0,0 @@
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;
}
public static void main(String[] args) {
int[] arr = {1,2,3,4,5};
System.out.println(Arrays.toString(reverseArray(arr)));
}
}

34
HA1/ArrayManipulation.java

@ -0,0 +1,34 @@
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;
}
public static int[] removeLast(int[] arr){
int arr2[];
if(arr.length<=1) return arr2 = new int[0]; //Falls Array nur eine oder weniger Elemente hat,leeres Array zurückgeben
arr2 = new int[arr.length-1]; //Sonst neues Array mit einem Element weniger erstellen
for(int i=0; i<arr.length-1; i++){
arr2[i]=arr[i]; //Kopieren der Elemente des Original Array
}
return arr2; //Neues Array zurückgeben
}
public static void main(String[] args) {
int[] arr = {1,2,3,4,5};
System.out.println(Arrays.toString(removeLast(arr)));
System.out.println(Arrays.toString(reverseArray(arr)));
}
}
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