Object[] a = this.toArray(); Arrays.sort(a, (Comparator) c); ListIterator<E> i = this.listIterator(); for (Object e : a) { i.next(); i.set((E) e); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. java排序方法调用的Arrays.sort ,传入两个参
代码实现 importjava.util.Arrays;importjava.util.Comparator;publicclassArraySortReverse{publicstaticvoidmain(String[]args){// Step 1: Declare an integer arrayInteger[]arr={5,2,8,1,3};// Step 2: Use Arrays.sort method to sort the array in reverse orderArrays.sort(arr,newComparator<Integer>(...
Here we have two arrays, one is integer array and another one is String array. We are sorting both the arrays in reverse order. importjava.util.Arrays;importjava.util.Collections;classSortArrayExample{publicstaticvoidmain(String[]args){// int ArrayInteger[]intArray=newInteger[]{newInteger(15)...
int[] intArray =newint[]{1,34,5,-9}; Arrays.sort(intArray); System.out.println(Arrays.toString(intArray)); 2.一维数组逆序 Java的Arrays.sort()仅支持对引用数据类型进行自定义排序,如果是基本数据类型(如int类型),将无法使用Comparator进行自定义排序。 可以先正序再reverse int[] nums =newint[]{...
【数组的基本操作】 1.一维数组的输入和输出 2.二维数组的输入和输出 3.foreach遍历数组4.数组的排序使用array类的sort方法和reverse方法;sort方法将数组从小到大排序; reverse方法将数组反转排序; 如果要将数组逆向排序(从大到小),就先sort再reverse;
Object[] a=this.toArray();// 这个方法很简单,就是调用Arrays中的sort方法进行排序Arrays.sort(a, (Comparator) c); ListIterator<E> i =this.listIterator();for(Object e : a) { i.next(); i.set((E) e); } } 进入Arrays.sort()方法 ...
list elements are sorted as if each comparison were reversed.In general, the key and reverse ...
import java.util.List; void main() { List<Integer> vals = Arrays.asList(5, -4, 0, 2, -1, 4, 7, 6, 1, -1, 3, 8, -2); vals.sort(Comparator.naturalOrder()); System.out.println(vals); vals.sort(Comparator.reverseOrder()); ...
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...
在Javascript中,Array of Array是指一个包含多个数组的数组。每个内部数组可以包含任意类型的元素,例如数字、字符串、对象等。Sort是Array对象的一个方法,用于对数组元素进行排...