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...
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...
() // method of Collections class // To Sort an Array in Descending Order // Importing required utility classes import java.util.*; // Main class // CollectionSorting public class GFG { // Main driver method public static void main(String[] args) { // Creating an array to be sorted...
usingSystem; classGFG{ publicstaticstringReverse(stringInput) { // Converting string to character array char[]charArray=Input.ToCharArray(); // Declaring an empty string stringreversedString=String.Empty; // Iterating the each character from right to left for(inti=charArray.Length-1;i>-1;i--...