completed 9/25 patterns

Author: MJTech46

Patterns/FullSquare.java

@@ -0,0 +1,14 @@
+public class FullSquare {
+	public static void main(String[] args) {
+		int i, j;
+		int size = 10;
+		char c = '*';
+		
+		for(i=0; i<size; i++){
+			for(j=0; j<size; j++){
+				System.out.print(c+" ");
+			}
+			System.out.println();
+		}
+	}
+}

Patterns/HollowSquare.java

@@ -0,0 +1,26 @@
+public class HollowSquare {
+	public static void main(String[] args) {
+		int i, j;
+		int size = 10; // size should >=2
+		char c = '*';
+		
+		// top part
+		for(i=0; i<size; i++){
+			System.out.print(c+" ");
+		}
+		// center part
+		for(i=0; i<size-2; i++){
+			System.out.print("\n"+c);
+			for(j=1; j<(size*2)-2; j++){
+				System.out.print(" ");
+			}
+			System.out.print(c);
+		}
+		System.out.println();
+		// bottom
+		for(i=0; i<size; i++){
+			System.out.print(c+" ");
+		}
+		System.out.println();
+	}
+}

Patterns/K.java

@@ -0,0 +1,32 @@
+public class K {
+    public static void main(String[] args) {
+
+        char c = '*';
+        int limit = 10;
+
+        // reverse
+        for (int i = limit; i > 1; i--) {
+            for (int j = 1; j < i; j++) {
+                System.out.print(c+" ");
+            }
+            System.out.println();
+        }
+        // forward
+        for (int i = 3; i < (limit + 1); i++) {
+            for (int j = 1; j < i; j++) {
+                System.out.print(c+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// * * * * 
+// * * *
+// * *
+// *
+// * *
+// * * *
+// * * * *

Patterns/NumberChangingPyramid.java

@@ -0,0 +1,21 @@
+public class NumberChangingPyramid {
+    public static void main(String[] args) {
+        int limit = 10;
+        int current_int = 1;
+
+        for (int i = 1; i <= limit; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(current_int+" ");
+                current_int++;
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// 1 
+// 2 3
+// 4 5 6
+// 7 8 9 10

Patterns/NumberIncreasingPyramid.java

@@ -0,0 +1,20 @@
+public class NumberIncreasingPyramid {
+    public static void main(String[] args) {
+        int limit = 10;
+
+        for (int i = 1; i <= limit; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(j+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// 1
+// 1 2
+// 1 2 3
+// 1 2 3 4
+// 1 2 3 4 5

Patterns/NumberIncreasingReversePyramid.java

@@ -0,0 +1,20 @@
+public class NumberIncreasingReversePyramid {
+    public static void main(String[] args) {
+        int limit = 10;
+
+        for (int i = limit; i >= 1; i--) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(j+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// 1 2 3 4 5
+// 1 2 3 4
+// 1 2 3
+// 1 2
+// 1

Patterns/ReverseRightHalfPyramid.java

@@ -0,0 +1,21 @@
+public class ReverseRightHalfPyramid {
+    public static void main(String[] args) {
+        char c = '*';
+        int limit = 10;
+
+        for (int i = limit; i >= 1; i--) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(c+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// * * * * *
+// * * * *
+// * * *
+// * *
+// *

Patterns/Rhombus.java

@@ -0,0 +1,16 @@
+public class Rhombus {
+	public static void main(String[] args) {
+		int i, j, k;
+		int size = 10;
+		char c = '*';
+		
+		for(i=0; i<size; i++){
+			for(j=0; j<i; j++)
+			System.out.print("  ");
+			for(k=0; k<size; k++){
+				System.out.print(c+" ");
+			}
+			System.out.println();
+		}
+	}
+}

Patterns/RightHalfPyramid.java

@@ -0,0 +1,21 @@
+public class RightHalfPyramid {
+    public static void main(String[] args) {
+        char c = '*';
+        int limit = 10;
+
+        for (int i = 1; i <= limit; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(c+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}
+
+/* Expected output */
+// * 
+// * *
+// * * *
+// * * * *
+// * * * * *