المصفوفات Java 22- Arrays
import java.util.Arrays;import java.util.Collections;public class App{/*Arrays.toString(Object[] a) : StringArrays.deepToString(Object[] a) : String-----------------------------------------------------System.arraycopy(Object src, int srcPos, Object dest, int destPos, int length) : void---------------------------------------Arrays.asList(T... a) : List<T>Collections.reverse(List<?> list) : void--------------------------------------Arrays.sort(int[] a) : voidArrays.sort(Integer[] a, Collections.reverseOrder()) : void*/public static void main(String[] args) {int[] tab0= new int[]{2,3,5,1,4,7,0};System.out.println(Arrays.toString(tab0)); // [2,3,5,1,4,7,0]int[][] tab1=new tab1[][]{{2,5,3},{3},{7,0}};System.out.println(Arrays.deepToString(tab1)); // [[2,5,3],[3],[7,0]]int[] destination= new int[10];System.arraycopy(tab0, 0, destination, 2, tab0.length);System.out.println(Arrays.toString(destination)); // [0,0,2,3,5,1,4,7,0,0]Collections.reverse(Arrays.asList(tab0));System.out.println(Arrays.toString(tab0)); // [0,1,2,3,4,5,7]Integer[] tab={3,5,1,5,8,6,7,0};Arrays.sort(tab, Collections.reverseOrder());System.out.println(Arrays.toString(tab)); // [8,7,6,5,5,3,1,0]System.out.println( tab.length); // 8}}
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