package dnf;import java.util.Scanner;public class ddd {?public static void main(String[] args){??int max;??Scanner a=new Scanner(System.in);??int[][] marks=new int[2][3];??for(int i=0;i<marks.length;i++){??????for (int j=0;j<marks[i].length;j++){???System.out.println("請輸入第"+(i+1)+"班第"+(j+1)+"個學生的成績");???marks[i][j]=a.nextInt();???}???}??for(int i=0;i<marks.length;i++){??? max=marks[i][0];???for(int j=0;j<marks[i].length;j++){????if(marks[i][j]>max)????{?????int t;?????t=max;?????max=marks[i][j];?????marks[i][j]=t;????}?????}???}?System.out.println(max);?}}??附上截圖；???只有當我把第五行代碼改為int max=0；程序就可以正常輸出了為什么呢