Can anyone explain this code?

Question

hiii,...guys this code is see's to be simple but i cant able to understand this?....run the code and explain me..
https://code.sololearn.com/cm0TDEDrWtrD/?ref=app

Answer 1

class MyClass { // definition of MyClass
public static void main(String[ ] args) { // starting point of program, "main"
for(int i=0;i<=127;i++)
/* a for loop that will start with i=0, repeat till i <= (less than or equal to) 127, and i++ keep increasing i by 1 on every repetition */
{
System.out.printf("%d : %c\n",i,i);
/* a formatted print, where %d will be replaced by first variable value used as decimal (number), and %c will be replaced by second variable value used as char (character), \n will move cursor to new line so next output is on new line */
}
}
}

Hopefully that explains and clarify for understanding.

Answer 2

%d is print as decimal, i is integer so there wont be any problem.
%c is print as character, since i is integer java will cast the variable to corresponding char in current encoding