import java.util.Scanner;
class ErWei6 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("请录入第一个数");
int a = sc.nextInt();
System.out.println("请录入第二个数");
int b = sc.nextInt();
System.out.println("请录入第三个数");
int c = sc.nextInt();
System.out.println("请录入第四个数");
int d = sc.nextInt();
System.out.println("请录入第五个数");
int e = sc.nextInt();
System.out.println("请录入第六个数");
int f = sc.nextInt();
int[] arr ={a,b,c,d,e,f,};
fan(arr);
jiao(arr);
jia(arr);
print(arr);
}
public static void fan(int[] arr){
for (int i=0;i <arr.length/2 ;i++ )
{
int temp =arr[i];
arr[i]=arr[arr.length-1-i];
arr[arr.length-1-i]=temp;
}
}
public static void jiao(int[] arr){
for (int x =0;x <=arr.length/2 ;x++ )
{
if (x%2!=0)
{
int temp = arr[x];
arr[x]=arr[x+2];
arr[x+2]=temp;
}
}
}
public static void jia(int[] arr){
if (arr.length%2==0)
{
int mep =arr[arr.length-1];
arr[arr.length-1]=arr[1];
arr[1]=mep;
}else{
int mvp =arr[arr.length-2];
arr[arr.length-2]=arr[1];
arr[1]=mvp;
}
}
public static void print(int[] arr){
for (int i =0;i < arr.length ;i++ )
{
System.out.print(arr[i]+" ");
}
}
} 作者: 小b，试试就试试 时间: 2016-7-27 22:37
谁还有简单的,发给我呗,谢了作者: qetu001212 时间: 2016-7-27 23:49
import java.util.Scanner;
class Test {
public static void main(String[] args){
int[] arr = new int[6];
Scanner sc = new Scanner(System.in);
for(int i = 0;i < arr.length;i++){
System.out.println("请输入第"+(i+1)+"个数");
arr[i] = sc.nextInt();
}
reverse(arr);
change(arr);
rechange(arr);
System.out.println();
print(arr);
}
public static void rechange(int[] arr){
if((arr.length-1) % 2 == 1){
int temp = arr[1];
arr[1] = arr[arr.length-1];
arr[arr.length-1] = temp;
}else{
int temp = arr[1];
arr[1] = arr[arr.length-2];
arr[arr.length-2] = temp;
}
}
public static void print(int[] a){
for(int i = 0;i < a.length;i++){
System.out.println(a[i]);
}
}
public static void change(int[] a){
for(int i = 1;(i+2) <= a.length-1;i+=2){
int temp = a[i];
a[i] = a[i+2];
a[i+2] = temp;
}
}
public static void reverse(int[] a){
for(int i = 0;i < a.length/2;i++){
int temp = a[i];
a[i] = a[a.length-1-i];
a[a.length-1-i] = temp;
}
}
}作者: 13411939415 时间: 2016-7-28 08:42
public static void main(String[] args) {
int[] a = new int[6];
for(int i =0; i < a.length; i++) { //为数组赋值
Scanner sc = new Scanner(System.in);
System.out.println("输入一个整数:");
a[i] = sc.nextInt();
}
System.out.println("操作前:"); //遍历数组
for(int i = 0; i < a.length; i++ ) {
System.out.print(a[i] + " ");
}
System.out.println();
for(int i = 0; i < a.length / 2; i++) { //将数组反转
int t = a[i];
a[i] = a[a.length - i -1];
a[a.length - i - 1] = t;
}
int j = 1;
while(j < a.length - 2) {
int t = a[j];
a[j] = a[j + 2];
a[j + 2] = t;
j += 2;
}
int t = a[1];
a[1] = a[j];
a[j] = t;
System.out.println("操作后:"); //遍历数组
for(int i = 0; i < a.length; i++ ) {
System.out.print(a[i] + " ");
}
}