//注意一定要用Integer对象类Integer[] a1 = {34,57,46,89,98,12,55,84,29};//对数组中的第四位到第7位(不包含第七位)(左闭右开原则)进行排序Arrays.sort(a1,3,6); System.out.println("Arrays.sort()升序:");for(inti =0; i < a1.length; i++) { System.out.print(a1[i] +" ");...
public static void sort(int[] a) { DualPivotQuicksort.sort(a, 0, a.length - 1, null, 0, 0); } 1. 2. 3. 继续查看DualPivotQuicksort,茫茫多的代码,根据给出的输入条件可以找到 if (right - left < QUICKSORT_THRESHOLD) { sort(a, left, right, true); return; } 1. 2. 3. 4. ...
publicclassMain {4publicstaticvoid main(String[] args) {int[] a = {9, 8, 7, 2, 3, 4, 1, 0, 6, 5}; Arrays.sort(a,0, 3);//3是指0位置开始后包括零位置 后的三个8for(int i = 0; i < a.length; i ++) {System.out.print(a[i] + " "); } } } View Code 运行结果如...
public static void sort(Object[] a) { if (LegacyMergeSort.userRequested) legacyMergeSort(a); else ComparableTimSort.sort(a, 0, a.length, null, 0, 0); } 1. 2. 3. 4. 5. 6. 在JDK8版本的源码中,有着两个分支的算法路径,这也是基于版本迭代,解决历史遗留问题的一个方案。 由于在JDK6之...
Arrays.sort(ints);for(inti=0;i<ints.length;i++) { System.out.print(ints[i]+" "); } System.out.println("\n减序排序后顺序");//要实现减序排序,得通过包装类型数组,基本类型数组是不行滴Integer[] integers=newInteger[]{2,324,4,4,6,1}; ...
public class SortExample { public static void main(String[] args) { int[] arr = {5, 3, 8, 2, 9}; Arrays.sort(arr, 1, 4); System.out.println(Arrays.toString(arr)); } } 在上述代码中,我们定义了一个包含5个元素的整型数组,然后使用Arrays.sort()方法对数组的第2个元素(即索引为1)到...
privatevoidgrow(intminCapacity){// overflow-conscious codeintoldCapacity=elementData.length;intnewCapacity=oldCapacity+(oldCapacity>>1);if(newCapacity-minCapacity<0)newCapacity=minCapacity;if(newCapacity-MAX_ARRAY_SIZE>0)newCapacity=hugeCapacity(minCapacity);// minCapacity is usually close to size, ...
publicbooleanequals(Object anObject){if(this==anObject){returntrue;}if(anObjectinstanceofString){String anotherString=(String)anObject;int n=value.length;if(n==anotherString.value.length){char v1[]=value;char v2[]=anotherString.value;int i=0;while(n--!=0){if(v1[i]!=v2[i])returnfa...
ArrayIndexOutOfBoundsException if start or end > array.length. Remarks Sorts the specified range of the array into ascending order. The range to be sorted extends from the index fromIndex, inclusive, to the index toIndex, exclusive. If fromIndex == toIndex, the range to be sorted is empt...
ArrayIndexOutOfBoundsException if start or end > array.length. Remarks Sorts the specified range of the array into ascending order. The range to be sorted extends from the index fromIndex, inclusive, to the index toIndex, exclusive. If fromIndex == toIndex, the range to be sorted is empt...