Program
class Main{
public static void main(String
args[]){
int i,j;
for(i=1;i<=5;i++){
for(j=1;j<=i;j++)
System.out.print("*");
System.out.println("");
}
for(i=5;i>=1;i--){
for(j=1;j<=i;j++)
System.out.print("*");
System.out.println("");
}
}
}
OUTPUT:-
C:\Users\Saty\Desktop\java>javac
1.java
C:\Users\Saty\Desktop\java>java
Main
*
**
***
****
*****
*****
****
***
**
*
