Generate a Pattern-5
A
AB
ABC
ABCD
package javaapplication1;
import java.util.*;
class pat4
{
public static void main(String aegs[])
{
Scanner sc = new Scanner(System.in);
char i, j;
for(i=65;i<=68;i++)
{
for(j=65;j<=i;j++)
{
System.out.print(j);
}
System.out.println();
}
}
}
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