plz execute this pattern.

Question

a
bc
def
ghij
klmno
pqrstu

Answer 1

public class Demo{
public static void main(String[] args){
int alphabet=65; // ASCII value of A
for(int I=1; I<7;I++){
for(int j=1;j<=I;j++){
System.out.println((char) alphabet);
alphabet++;
}
System.out.println();
}
}
}

Answer 2

You could also take
int alphabet = 97;//ASCII code of a