Java第十五课

1.二维数组

import java.util.Scanner;
public class shuzhen {
 public static void main(String[] args) {
  int a[][]=new int [3][2];
  for (int i = 0; i < a.length; i++) {
   for (int j = 0; j < a[i].length; j++) {
    Scanner scanner=new Scanner(System.in);
    a[i][j]=scanner.nextInt();
   }
  }
 }
}
``]

2.找最大数
```java
public class Dome1 {
 public static void main(String[] args) {
  int[][]a= {{1,2},{3,4},{5,2}};
  int[] t=max(a);
  for(int j=0;j<t.length;j++){
   System.out.println(t[j]);
  }
 }
  static int[] max(int[][] a){
   int[] maxScore=new int[a[0].length];
   for(int i=0;i<a[0].length;i++){
    for(int j=0;j<a.length;j++){
     if(a[j][i]>maxScore[i]){
      maxScore[i]=a[j][i];
     }
    }
   } 
   return maxScore;
  }
 }