Program :pattern sequence in java

public class ATS
{
public static void main(String[]args)
{
for (int i = 65; i < 70; i++)
{
for (int j = 65; j <= i; j++)
{
if (i % 2 == 0)
System.out.print((char)(j+32));
else
System.out.print((char)j);           
}
System.out.println();       
}   
}
}