Triangle star printing

Trianglestarpattern.java

@@ -0,0 +1,21 @@
+//*
+//**
+//***
+//****
+import java.util.*;
+public class Program
+{
+    public static void main(String[] args) 
+    {
+        Scanner scn=new Scanner(System.in);
+        int n=scn.nextInt();
+        for(int i=1;i<=n;i++)
+        {
+            for(int j=1;j<=i;j++)
+            {
+                System.out.print("*");
+            }
+            System.out.println("");
+        }
+	}
+}