Hi guys. what is the problem with this code? public void main(){ char ch1 = 'a'; char? ch2 = 'b';
stdout.printf("%c\n", ch1); stdout.printf("%c\n", ch2); stdout.printf("%s\n", ch1.to_string()); stdout.printf("%s\n", ch2.to_string()); } when I assign a value to ch1 and ch2, they remain empty and nothing is printed in output. Why.......
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