package a; public class ma { public static void main(String[] args) { int a[]={6,34,55,1,32,4}; for(int i=0;i<a.length-1;i++){ for(int n=0;n<a.length-1-i;n++){ if(a[n]>a[n+1]){ int c=a[n]; a[n]=a[n+1]; a[n+1]=c; } } } for(int j=0;j<a.length;j++){ System.out.println(a[j]); } } }
package a; import java.util.Scanner; public class ma { public static void main(String[] args) { int []a={34,22,35,67,45,66,12,33}; int y=0; Scanner input=new Scanner(System.in); System.out.println("请输入一个数"); int x=input.nextInt(); for(int i=0;i<a.length;i++){ if(x==a[i]){ y=i; break; }else{ y=77; } } if(y==77){ System.out.println("no found"); }else{ System.out.println(y); } } }
package a; public class ma { public static void main(String[] args) { double [][]a={{1,2,3,4,5},{6,7,8,9,0},{1,2,3,4,5},{6,7,8,9,0}}; for(int i=0;i<4;i++){ for(int j=0;j<5;j++) System.out.print(a[i][j]+" "); System.out.println(); } } }
package a; public class ma { public static void main(String[] args) { int [][]a={{1,27,39,45},{6,7,8,100},{11,24,35,22}}; int max=a[0][0]; for(int i=0;i<3;i++){ for(int j=0;j<4;j++){ if(a[i][j]>max){ max=a[i][j]; } } } System.out.println(max); } }