pattern problems solved

problems/Pattern03.java

@@ -1,4 +1,4 @@
-/*Print the following pattern: Hollow Rectangle
+/*Print the following pattern: Half Peramid
 
     * 
     * *
@@ -13,7 +13,6 @@ public class Pattern03 {
 
     public static void main(String[] args) {
         int rows = 4;
-        int columns = 4;
 
         for (int i = 1; i <= rows; i++) {
 

problems/Pattern04.java

@@ -0,0 +1,27 @@
+/*Print the following pattern: Inverted Half Peramid
+ 
+    * * * * 
+    * * *
+    * *
+    *
+    
+ */
+
+package problems;
+
+public class Pattern04 {
+
+    public static void main(String[] args) {
+        int rows = 4;
+
+        for (int i = rows; i >= 1; i--) {
+
+            for (int j = 1; j <= i; j++) {
+                System.out.print("* ");
+            }
+
+            System.out.println();
+        }
+    }
+
+}

problems/Pattern05.java

@@ -0,0 +1,28 @@
+/*Print the following pattern: Inverted Half Peramid
+ 
+           *
+         * * 
+       * * * 
+     * * * * 
+    
+ */
+
+package problems;
+
+public class Pattern05 {
+
+    public static void main(String[] args) {
+        int rows = 4;
+
+        for (int i = 1; i <= rows; i++) {
+            for (int j = 1; j <= rows - i; j++) {
+                System.out.print("  ");
+            }
+            for (int k = 1; k <= i; k++) {
+                System.out.print("* ");
+            }
+            System.out.println();
+        }
+    }
+
+}

problems/Pattern06.java

@@ -0,0 +1,26 @@
+/*Print the following pattern: Inverted Half Peramid
+ 
+    1
+    1 2
+    1 2 3
+    1 2 3 4
+    1 2 3 4 5
+    
+ */
+
+package problems;
+
+public class Pattern06 {
+
+    public static void main(String[] args) {
+        int rows = 5;
+
+        for (int i = 1; i <= rows; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(j + " ");
+            }
+            System.out.println();
+        }
+    }
+
+}