这样吗?
public class Test {
public static void main(String[] args) {
int [][] array = {
{1,6,10,13,15},
{1,2,7,11,14},
{1,2,3,8,12},
{1,2,3,4,9},
{1,2,3,4,5}
};
for(int i=0;i<5;i++)
{
for (int j = 0;j<5;j++)
{
if(j<i)
{
System.out.print(" ");
}else{
if(array[i][j]<10)
{
System.out.print(" ");
}
System.out.print(array[i][j]+" ");
}
}
System.out.println();
}
}
}