Adding Pattern printing Program

Author: iamprince-dev

src/Pattern_Printing/Alphabet_Square.java

@@ -19,4 +19,5 @@ public static void main(String[] args) {
 		}
 
 	}
+
 }

src/Pattern_Printing/Binary_Triangle.java

@@ -0,0 +1,23 @@
+package Pattern_Printing;
+
+import java.util.Scanner;
+
+public class Binary_Triangle {
+  public static void main(String[] args) {
+	Scanner sc= new Scanner(System.in);
+	System.out.println("Enter a number");
+	int n=sc.nextInt();
+	
+	for(int i=1;i<=n;i++) {
+		for(int j=2;j<=i; j++) {
+			if(i==j || (j+i)%2==0) {
+				System.out.print(0 +" ");
+			}
+			else {
+				System.out.print(1 +" ");
+			}
+		}
+		System.out.println();
+	}
+}
+}

src/Pattern_Printing/Floyd_Triangle.java

@@ -0,0 +1,23 @@
+package Pattern_Printing;
+
+import java.util.Scanner;
+
+public class Floyd_Triangle {
+
+	
+	public static void main(String[] args) {
+		Scanner sc= new Scanner(System.in);
+		System.out.println("Enter a number");
+		int n=sc.nextInt();
+		int a=1;
+		
+		for(int i=1;i<=n;i++) {
+			for(int j=1;j<=i;j++) {
+				System.out.print(a++ +" ");
+				
+			}
+			System.out.println();
+		}
+		
+	}
+}

src/Pattern_Printing/Star_Cross.java

@@ -0,0 +1,27 @@
+package Pattern_Printing;
+
+import java.util.Scanner;
+
+public class Star_Cross {
+
+	public static void main(String[] args) {
+		Scanner sc =new Scanner(System.in);
+		System.out.println("Enter rows");
+		int n =sc.nextInt();
+				
+		for(int i=1;i<=n; i++) {
+			for(int j=1;j<=n;j++) {
+				
+				if(i==j||j==n+1-i) {
+					System.out.print("* ");
+					
+				}
+				else {
+					System.out.print("  ");
+				}
+			}
+			System.out.println();
+		}
+	}
+
+}