Merge pull request #4 from 6736-shafi/master

updated pattern12

.project

@@ -14,4 +14,15 @@
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1695808131207</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>

README.md

@@ -117,3 +117,28 @@
     *
      
 ```
+12 Sandglass Star Pattern
+```
+  * * * * *
+   * * * *
+    * * *
+     * *
+      *
+      *
+     * *
+    * * *
+   * * * *
+  * * * * *
+```
+13.Alphabet Star Pattern
+```
+     ****
+     *   *
+     *   *
+     *   *
+     *****
+     *   *
+     *   *
+     *   *
+     *   *
+```

src/AlphabetStarPattern/AlphabetStarPattern.java

@@ -0,0 +1,23 @@
+package AlphabetStarPattern;
+
+public class AlphabetStarPattern {
+    public static void main(String[] args) {
+        int i, j, n = 8;
+        // Outer for loop for number of lines
+        for (i = 0; i <= n; i++) {
+            // Inner for loop for logic execution
+            for (j = 0; j <= n / 2; j++) {
+                // prints two vertical lines
+                if ((j == 0 || j == n / 2) && i != 0 ||
+                // print first line of alphabet
+                        i == 0 && j != n / 2 ||
+                        // prints middle line
+                        i == n / 2)
+                    System.out.print("*");
+                else
+                    System.out.print(" ");
+            }
+            System.out.println();
+        }
+    }
+}

src/SandglassStarPattern/SandglassStarPattern.java

@@ -0,0 +1,31 @@
+package SandglassStarPattern;
+
+import java.util.Scanner;
+
+public class SandglassStarPattern {
+    public static void main(String[] args) {
+        int i, j, k, n;
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter the number of rows you want to print: ");
+        n = sc.nextInt();
+        for (i = 0; i <= n - 1; i++) {
+            for (j = 0; j < i; j++) {
+                System.out.print(" ");
+            }
+            for (k = i; k <= n - 1; k++) {
+                System.out.print("*" + " ");
+            }
+            System.out.println("");
+        }
+        for (i = n - 1; i >= 0; i--) {
+            for (j = 0; j < i; j++) {
+                System.out.print(" ");
+            }
+            for (k = i; k <= n - 1; k++) {
+                System.out.print("*" + " ");
+            }
+            System.out.println("");
+        }
+        sc.close();
+    }
+}