package lesson_3; import java.util.Arrays; public class Frame_8 { public static void main(String[] args) { // TODO Auto-generated method stub int[] data = {10,-3,25,4,1,3}; swap(data,1,3); System.out.println(Arrays.toString(data)); } static void swap(int[] data,int i,int k){ if ((data.length == 0)||(data == null)||(i>data.length-1)||i<1||k<1||i==k){return;} int temp=data[i]; data[i]=data[k]; data[k]=temp; } }