Pattern Programs

Pattern10.java

@@ -0,0 +1,25 @@
+/*      *
+          * 
+            *
+              *
+                *                          */
+import java.util.*;
+
+class Pattern10 {
+    public static void main(String[] args) {
+
+        for (int i = 1; i <= 4; i++) {
+
+            for (int j = 1; j <= i; j++) {
+
+                if (i >= 2 && j <= i -1) {
+                    System.out.print(" ");
+                }
+                else{
+                    System.out.print("*");
+                }
+            }
+            System.out.println();
+        }
+    }
+}

Pattern11.java

@@ -0,0 +1,28 @@
+/*      *
+          * 
+            *
+              *
+                *                          */
+import java.util.*;
+
+class Pattern11 {
+    public static void main(String[] args) {
+
+        for (int i = 1; i <= 4; i++) {   /// Space print
+
+            for (int j = 4; j>= i; j--) {
+                 System.out.print(" ");
+            }
+            for(int k=1;k<=i;k++){       
+
+                if (i >= 2 && k >1) {
+                    System.out.print(" "); // space print 
+                }
+                else{
+                    System.out.print("*"); // * print
+                }
+            }
+            System.out.println();
+        }
+    }
+}

Pattern12.java

@@ -0,0 +1,29 @@
+/*      *               *
+          *           *   
+            *       *       
+              *   *           
+                *                                                        */
+import java.util.*;
+class Pattern12{
+    public static void main(String[] args) {
+        int i;
+          for(i=5;i>=1;i--){
+
+               for(int j=5;j>=i; j--){
+                   System.out.print(" ");
+               }
+
+               for(int k=1;k<(i*2);k++){  
+
+               if(k>1 && k<(i*2)-1){
+                   System.out.print(" ");
+               }
+               else{
+                   System.out.print("*");
+               }
+              }
+            System.out.println();
+        }
+
+    }
+}

Pattern13.java

@@ -0,0 +1,29 @@
+/*                      *
+                      *   *  
+                    *       *    
+                  *           *      
+                *               *                                                 */
+import java.util.*;
+class Pattern13{
+    public static void main(String[] args) {
+        int i;
+          for(i=1;i<=5;i++){
+
+               for(int j=5;j>=i; j--){
+                   System.out.print(" ");
+               }
+
+               for(int k=1;k<(i*2);k++){  
+
+               if(k>1 && k<(i*2)-1){
+                   System.out.print(" ");
+               }
+               else{
+                   System.out.print("*");
+               }
+              }
+            System.out.println();
+        }
+
+    }
+}

Pattern14.java

@@ -0,0 +1,26 @@
+/* Pattern14
+  *****
+  *****
+  *****
+  *****  */
+import java.util.*;
+class Pattern14{
+    public static void main(String[] args) {
+
+            for(int i=0;i<5;i++){
+
+                    for(int j=0;j<5;j++){
+
+                        if(i==j || i+j==5-1){
+                            System.out.print("*");
+                        }
+                        else{
+                            System.out.print(" ");
+                        }
+                    }
+                System.out.println();
+
+            }
+
+    }
+}

Pattern15.java

@@ -0,0 +1,24 @@
+/* Pattern 15
+      *****
+      *   *
+      *   *
+      *****  */
+import java.util.*;
+class Pattern15{
+           public static void main(String[] args) {
+
+                 for(int i=1; i<=5; i++){
+
+                     for(int j=1; j<=5; j++){
+
+                         if(i>= 2 &&j>=2 && i<=4 && j<=4){
+                             System.out.print(" ");
+                         }
+                         else{
+                             System.out.print("*");
+                         }
+                     }
+                     System.out.println();
+                 }
+           }    
+}