util.*; // Main class // CollectionSorting public class GFG { // Main driver method public static void main(String[] args) { // Creating an array to be sorted in descending // order Integer[] arr = { 30, 20, 40, 10 }; // Collections.sort method is sorting the // elements of...
// Java program to Illustrate Reversal of Array// usingreverse() method of Collections class// Importing utility classesimportjava.util.*;// Main classpublicclassGFG{// Main driver methodpublicstaticvoidmain(String[] args){// Creating input integer arrayInteger arr[] = {10,20,30,40,50};/...
Invert an array让我们通过在族 java 代码中实现 Collections 类的这个方法,如下所示:案例1: 反转数组列表T5】JAVAT7// Java program to illustrate reverse() method // of Collections class over ArrayList // Importing utility classes import java.util.*; // Main class public class GFG { // main dr...
// Main class // CollectionSorting public class GFG { // Main driver method public static void main(String[] args) { // Creating an array to be sorted in descending // order Integer[] arr = { 30, 20, 40, 10 }; // Collections.sort method is sorting the // elements of arr[] ...
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