给定两个整型数组, 交换两个数组的内容.
import java.util.Arrays;
public class Test {
public static void main(String[] args) {
int[] arr1={1,2,3,4,5};
int[] arr2={6,7,8,9,10};
System.out.println("arr1"+Arrays.toString(arr1));
System.out.println("arr2"+Arrays.toString(arr2));
swap(arr1,arr2);
System.out.println("arr1"+Arrays.toString(arr1));
System.out.println("arr2"+Arrays.toString(arr2));
}
public static int[] swap(int[] a,int[] b) {
if(a.length!=b.length)
{
System.out.println("长度不一致");
}
else
{
int len=a.length;
for(int i=0;i<len;i++)
{
int tmp=a[i];
a[i]=b[i];
b[i]=tmp;
}
}
return a;
}
}