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publicclassArraySortExample{publicstaticvoidmain(String[]args){int[]array={5,8,2,1,6};intn=array.length;// 冒泡排序算法for(inti=0;i<n-1;i++){for(intj=0;j<n-i-1;j++){if(array[j]<array[j+1]){// 交换数组元素inttemp=array[j];array[j]=array[j+1];array[j+1]=temp;}}}...
Here, the array's values are initially set to 1, 2, 3, 4, and 5. Calling reverse() on the array reverses the order to 5, 4, 3, 2, 1. The sort() method puts the items in ascending order. The sort() method calls the String() casting function on every item and then compares ...
publicstaticvoidmain(String[] args){ArrayReversear=newArrayReverse(); ar.createArray(10); ar.show(ar.originArray);//显示初始顺序//第一种reverse结果ar.arrayReverse1(); ar.show(ar.reverseArray);//第二种ar.arrayReverse2(); ar.show(ar.reverseArray);//第三种ar.arrayReverse3(); ar.show(...
// 定义方法实现反转排序publicstaticvoidreverseSort(int[]array){for(int i=0,j=array.length-1;i<j;i++,j--){array[i]=array[i]^array[j];array[j]=array[j]^array[i];array[i]=array[i]^array[j];}} 案例: 代码语言:javascript ...
因为Array.sort的逆序是只能针对装箱类型,装箱1E个数据基本不太可能等到结果, 那我的操作是使用一个已经逆序的数组int[],然后看他sort到正序是花费多久时间的。 可以从Arrays.sort底层代码看出其使用的是快排的思想: java/util/DualPivotQuicksort.java:107 ...
Java 数组基础 2019-12-19 16:57 −Java 数组基础 数组 数组(Array):相同类型数据的集合。 定义数组 方式1(推荐,更能表明数组类型) type[] 变量名 = new type[数组中元素的个数]; 比如: int[] a = new int[10]; 数组名,也即引用a,指向数组元素的首地址。 方式2(同C语... ...
三种反转数组的方法: public class ReverseArray { public static void main(String[] args) { int[] arr...= { 11,22,33,55,66,88}; printArray(arr); ...
Hello guys, today we are going to see another common coding question from interviews - how do you reverse an array in Java? This is a popular array-based coding problem and often asked programmers during the first few rounds of interviews to check if they can code or not. Well, there ...
Java // Java Program to Demonstrate Working of reverseOrder()// method of Collections class// To Sort an Array in Descending Order// Importing required utility classesimportjava.util.*;// Main class// CollectionSortingpublicclassGFG{// Main driver methodpublicstaticvoidmain(String[]args){// Cr...