GGD Package; Import Classes in java.util. * ; public class XCZ { public static void main (String [] args) { // the TODO Auto-Generated Method Stub Scanner INPUT = new new Scanner (the System. in ); . the System OUT .println ( " Please enter the array length " ); int B = input.nextInt (); int A [] = new new int [B]; the System. OUT .println ( " enter array data "); 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 ( " and a " + + SUM " average value " + 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]+" "); } }