Java中的sort(int[] a, int fromIndex, int toIndex)方法执行哪项操作?
java.util.Arrays 类的sort(int[] a, int fromIndex, int toIndex) 方法将指定整型值数组内指定的范围按照数值顺序进行升序排列。要排序的范围从索引 fromIndex(含)开始,到索引 toIndex(不含)结束。
示例
import java.util.Arrays; public class ArrayDemo { public static void main(String[] args) { int iArr[] = {3, 1, 2, 18, 10}; for (int number : iArr) { System.out.println("Number = " + number); } Arrays.sort(iArr, 0, 3); System.out.println("int array with some sorted values(0 to 3) is:"); for (int number : iArr) { System.out.println("Number = " + number); } } }
输出
Number = 3 Number = 1 Number = 2 Number = 18 Number = 10 int array with some sorted values(0 to 3) is: Number = 1 Number = 2 Number = 3 Number = 18 Number = 10
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