import java.util.Arrays;
public class AryDemo {
public static void main(String[] args) {
int[] ary = {1,2,3,4,5};
for (int i = 0; i < ary.length/2; i++) {//前后交换元素
int temp = ary[i];
ary[i] = ary[ary.length-i-1];
ary[ary.length-i-1]= temp;
}
System.out.println(Arrays.toString(ary));//输出数组
}
}
public class AryDemo {
public static void main(String[] args) {
int[] ary = {1,2,3,4,5};
for (int i = 0; i < ary.length/2; i++) {//前后交换元素
int temp = ary[i];
ary[i] = ary[ary.length-i-1];
ary[ary.length-i-1]= temp;
}
System.out.println(Arrays.toString(ary));//输出数组
}
}
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第1个回答 2018-06-22
class c{
public static void main(String [] args){
int[] arr = {1,2,3,4,5};
int a = arr.length-1;
for(int x = a;x>=0;x--){
System.out.print(arr[x]+",");
}
}
}
public static void main(String [] args){
int[] arr = {1,2,3,4,5};
int a = arr.length-1;
for(int x = a;x>=0;x--){
System.out.print(arr[x]+",");
}
}
}
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