tolong banget jawab pelajaran program dasar

int a,jml;
jml = 0;
for( a = 1; a<=5;a++)
{
   jml++;
System.out.printf("%d",jml);
};

kalau di cek
a=1, jml =1
a=2, jml =2
a=3, jml =3
a=4, jml =4
a=5, jml =5
output : (1,2,3,4,5)