package com.mohuanan.exercise;public class Exercise {public static void main(String[] args) {int[] arr = {1, 2, 3, 4, 5, 6, 7, 8, 8}; //格式化快捷键 CTRL 加 Alt 加 L键// F1截图 F3贴图//调用 copyOfRangeint[] ints = copyOfRange(arr, 3, 7);for (int i = 0; i < ints.length; i++) {System.out.print(ints[i]+ " ");}System.out.println();}public static int[] copyOfRange(int[] arr,int from,int to){//动态定义一个数组int[] newArr = new int[to-from];for (int i = from; i < to; i++) {newArr[i-from] = arr[i];}return newArr;}
}
运行结果:
