package ggd;
import java.util.*;
public class xcz {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input = new Scanner(System.in);
System.out.println("请输入数组长度");
int b= input.nextInt();
int a[]=new int[b];
System.out.println("请输入数组数据");
for(int i=0;i<a.length;i++){
a[i]=input.nextInt();
}
int t;
for(int i=0;i<a.length/2;i++){
t=a[i];
a[i]=a[a.length-i-1];
a[a.length-i-1]=t;
}
System.out.println("这个数组的逆序存放是");
for(int i=0;i<a.length;i++) {
System.out.print(a[i]+" ");
}
}
}
}
package ggd;
public class xcz {
public static void main(String[] args) {
// TODO Auto-generated method stub
int []arr={18,25,7,36,13,2,89,63};
int max =arr[0];
int a =0;
for(int i =1;i<arr.length;i++) {
if(max < arr[i]) {
max = arr[i];
a=i;
}
}
System.out.println("max="+max+"下标"+a);
}
}
package ggd;
public class xcz {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] arr ={23,45,22,33,56};
int sum=0,pjz;
for(int i=0;i<=4;i++){
sum+=arr[i];
pjz=sum/5;
System.out.println("和是"+sum+"平均值是"+pjz);
}
}
}
package ggd;
public class xcz {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] arr = new int[5];
arr[0]=10;
arr[1]=20;
arr[2]=30;
arr[3]=40;
arr[4]=50;
for(int i =0;i<5;i++) {
System.out.println(arr[i]);
}
}}
package ggd;
public class xcz {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] arr=new int[]{10,20,30,40,50};
for (int i = 0; i < arr.length; i++) {
System.out.println(arr[i]+" ");
}
}