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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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