public class fff{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int[] arr=new int[5]; for (int i = 0; i <=arr.length-1; i++) { arr[i]=sc.nextInt(); } for (int i : arr) { System.out.println(i); } for (int j = 0; j < arr.length - 1; j++) { for (int k = 0; k <arr.length-1-j; k++) { if(arr[k]>arr[k+1]) { int a; a=arr[k]; arr[k]=arr[k+1]; arr[k+1]=a; } } } for (int i : arr) { System.out.println(i); } } }
public class fff { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int[] x={34,22,35,67,45,66,12,33}; System.out.println("请输入一个数:"); int a=sc.nextInt(); for(int i=0;i<x.length;i++){ if(x[i]==a){ System.out.println("下标为"+i); }else{ System.out.println("not found"); }break; } } }
public class fff{
public class fff { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int[][] a = new int[5][4]; int max=0; for (int i = 0; i < 3; i++) { for (int j = 0; j < 4; j++) { a[i][j] = sc.nextInt(); } } for (int i = 0; i < a.length; i++) { for (int j = 0; j < a[i].length-1; j++) { if(max<a[i][j]){ max=a[i][j]; } } } System.out.println("最大值是:"+max); } }
public static void main(String[] args) { Scanner sc = new Scanner(System.in); int[][] a = new int[5][4]; for (int i = 0; i < 5; i++) { for (int j = 0; j < 4; j++) { a[i][j] = sc.nextInt(); } } System.out.println("你输入的数组为:"); for (int i = 0; i < 5; i++) { for (int j = 0; j < 4; j++) { System.out.print(a[i][j]); } System.out.println(); }