Public class TT{

Public static void main(String[] args){

char[]c = new char[26]；

for(int I = 0； I & lt26; i++){

c[I]=(char)(' a '+I)；

}

for(int j = 0； j & lt26; j++){

System.out.printf("%d "，(int)c[j])；

}

}

}

I think the first conversion test is the forced conversion of characters and integers. A-z is converted to 97- 122 without assignment, because the ASCII value of A is 97, and so on. I don't understand the conversion from 0-9 to 48-57, just +48. . I don't know what the latter one means.