Merge pull request #649 from vijayv18/star-patterns-java

Star patterns java
C0D1NG · Oct 20, 2023 · 644f1c1 · 644f1c1
2 parents a64a858 + 6c5ba3e
commit 644f1c1
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diff --git a/Java/Star Patterns/StarPattern16.java b/Java/Star Patterns/StarPattern16.java
@@ -0,0 +1,31 @@
+public class StarPattern16 {
+
+	public static void main(String[] args) {
+		int n=5;
+		for(int i=0;i<n;i++) {
+			for(int k=0;k<=i;k++) {
+				System.out.print(" ");
+			}
+			for(int j=0;j<n;j++) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+ * * * * * 
+  * * * * * 
+   * * * * * 
+    * * * * * 
+     * * * * * 
+
+*/
+
+
diff --git a/Java/Star Patterns/StarPattern17.java b/Java/Star Patterns/StarPattern17.java
@@ -0,0 +1,50 @@
+public class StarPattern17 {
+
+	public static void main(String[] args) {
+		int n=4;
+		for(int i=0;i<n-1;i++) {
+			for(int j=0;j<=i;j++) {
+				System.out.print("* ");
+			}
+			for(int space=1;space<2*(n-1-i);space++) {
+				System.out.print("  ");
+			}
+			for(int k=0;k<=i;k++) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+		for(int i=1;i<(2*n);i++) {
+			System.out.print("* ");
+		}
+		System.out.println();
+		for(int i=0;i<n-1;i++) {
+			for(int j=n-1;j>i;j--) {
+				System.out.print("* ");
+			}
+			for(int space=0;space<=2*i;space++) {
+				System.out.print("  ");
+			}
+			for(int k=n-1;k>i;k--) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+*           * 
+* *       * * 
+* * *   * * * 
+* * * * * * * 
+* * *   * * * 
+* *       * * 
+*           *
+
+*/
+
diff --git a/Java/Star Patterns/StarPattern18.java b/Java/Star Patterns/StarPattern18.java
@@ -0,0 +1,41 @@
+public class StarPattern18 {
+
+	public static void main(String[] args) {
+		int n = 4;
+		for(int i=0;i<n;i++) {
+			for(int k=n-1;k>=i;k--) {
+				System.out.print(" ");
+			}
+			for(int j=0;j<=i;j++) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+		n=n-1;
+		for(int i=0;i<n;i++) {
+			System.out.print(" ");
+			for(int k=0;k<=i;k++) {
+				System.out.print(" ");
+			}
+			for(int j=n-1;j>=i;j--) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+    * 
+   * * 
+  * * * 
+ * * * * 
+  * * * 
+   * * 
+    * 
+
+*/
diff --git a/Java/Star Patterns/StarPattern19.java b/Java/Star Patterns/StarPattern19.java
@@ -0,0 +1,35 @@
+public class StarPattern19 {
+
+	public static void main(String[] args) {
+		int n = 4;
+		for(int i=0;i<n;i++) {
+			for(int j=n;j>i;j--) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+		for(int i=1;i<n;i++) {
+			for(int k=0;k<=i;k++) {
+				System.out.print("* ");
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+* * * * 
+* * * 
+* * 
+* 
+* * 
+* * * 
+* * * * 
+
+
+*/
+
diff --git a/Java/Star Patterns/StarPattern20.java b/Java/Star Patterns/StarPattern20.java
@@ -0,0 +1,32 @@
+public class StarPattern20 {
+
+	public static void main(String[] args) {
+		int n=5;
+		for(int i=0;i<5;i++) {
+			for(int j=n-1;j>=i;j--) {
+				System.out.print(" ");
+			}
+			for(int k=0;k<=i;k++) {
+				if(i==0 || i==n-1 || k==0 || k==i) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+     * 
+    * * 
+   *   * 
+  *     * 
+ * * * * * 
+
+*/
diff --git a/Java/Star Patterns/StarPattern21.java b/Java/Star Patterns/StarPattern21.java
@@ -0,0 +1,33 @@
+public class StarPattern21 {
+
+	public static void main(String[] args) {
+		int n=5;
+		for(int i=0;i<n;i++) {
+			for(int j=0;j<=i;j++) {
+				System.out.print(" ");
+			}
+			for(int k=n-1;k>=i;k--) {
+				if(i==0 || i==n-1 || k==n-1 || k==i) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+ * * * * * 
+  *     * 
+   *   * 
+    * * 
+     * 
+ 
+
+*/
diff --git a/Java/Star Patterns/StarPattern22.java b/Java/Star Patterns/StarPattern22.java
@@ -0,0 +1,52 @@
+public class StarPattern22 {
+
+	public static void main(String[] args) {
+		int n=4;
+		for(int i=0;i<n;i++) {
+			for(int j=0;j<=i;j++) {
+				System.out.print(" ");
+			}
+			for(int k=n-1;k>=i;k--) {
+				if(i==0 || k==n-1 || k==i) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+		for(int i=1;i<n;i++) {
+			for(int j=n-1;j>=i;j--) {
+				System.out.print(" ");
+			}
+			for(int k=0;k<=i;k++) {
+				if(k==0 || k==i || i==n-1) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+
+			}
+			System.out.println();
+		}
+
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+ * * * * 
+  *   * 
+   * * 
+    * 
+   * * 
+  *   * 
+ * * * * 
+ 
+ 
+*/
+
+
diff --git a/Java/Star Patterns/StarPattern23.java b/Java/Star Patterns/StarPattern23.java
@@ -0,0 +1,50 @@
+public class StarPattern23 {
+
+	public static void main(String[] args) {
+		int n=4;
+		for(int i=0;i<n;i++) {
+			for(int j=n-1;j>=i;j--) {
+				System.out.print(" ");
+			}
+			for(int k=0;k<=i;k++) {
+				if(i==0 || k==0 || k==i) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+		for(int i=1;i<n;i++) {
+			for(int j=0;j<=i;j++) {
+				System.out.print(" ");
+			}
+			for(int k=n-1;k>=i;k--) {
+				if(k==n-1 || k==i) {
+					System.out.print("* ");
+				} else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+	}
+
+}
+
+/* 
+
+The output for the above program.
+
+    * 
+   * * 
+  *   * 
+ *     * 
+  *   * 
+   * * 
+    * 
+ 
+ 
+*/
+
+