Pattern

Patterns/Alpha_row_sqaure.java

@@ -0,0 +1,28 @@
+
+
+import java.util.Scanner;
+
+public class Alpha_pattern {
+
+	public static void main(String[] args) {
+		//ABCD
+		//ABCD
+		//ABCD
+		//ABCD
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter n ");
+	    int n = s.nextInt();
+	    int i=1;
+	    while(i<=n)
+	    {   int j=1;
+	    	while(j<=n){
+
+	    		System.out.print((char)('A'+j-1));
+	    	    j=j+1;
+	    	}
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+	}
+}

Patterns/Rhombus.java

@@ -0,0 +1,44 @@
+/*
+Do you want to continue?: y
+
+Enter the no. of rows: 5
+    * * * * * 
+   * * * * * 
+  * * * * * 
+ * * * * * 
+* * * * * 
+*/
+import java.util.Scanner;
+
+  public class Rhombus
+  {
+       public static void main(String[] args)
+       {    
+            outer:
+            while(true)
+            {
+               System.out.println();
+                Scanner a = new Scanner(System.in);
+                char y;
+                System.out.print("Enter the no. of rows: ");
+                int r = a.nextInt();
+
+                for(int i=1;i<=r;i++)
+                {
+                     for(int j=1;j<=r-i;j++)
+                     {  
+                          System.out.print(" ");
+                     }
+                     for(int j=1;j<=r;j++)
+                     {
+                          System.out.print("*"+" ");
+                     }
+                     System.out.println();
+                }
+               System.out.print("\nDo you want to continue?: ");
+                y = a.next().charAt(0);
+                if (y == 'N' || y == 'n')
+             {
+                  break outer;
+             }          } } }
+

Patterns/Solid_square_pattern.java

@@ -0,0 +1,36 @@
+/*
+Enter Number
+4
+****
+****
+****
+****
+
+*/
+
+import java.util.Scanner;
+
+public class Pattern_1 {
+
+	public static void main(String[] args) {
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter Number");
+	    int n = s.nextInt();
+	    int i=1;
+
+	    while(i<=n)
+	    {   int j=1;
+	    	while(j<=n) {
+	    		System.out.print("*");
+	    		j=j+1;
+	    	}
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+
+
+
+	}
+
+}

Patterns/alpha_sequence_pattern.java

@@ -0,0 +1,31 @@
+
+
+import java.util.Scanner;
+
+public class Alpha_pattern_2 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		//ABCD
+		//BCDE
+		//CDEF
+		//DEFG
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter value of n");
+	    int n = s.nextInt();
+	    int i=1;
+	    while(i<=n)
+	    {    char ch=(char)('A'+i-1) ;
+	    	int j=1;
+	    	while(j<=n){
+	    		System.out.print(ch);
+	    		ch=(char)(ch+1);
+	    	    j=j+1;
+	    	}
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+	}
+
+}

Patterns/diamond.java

@@ -0,0 +1,59 @@
+/*
+Enter the number of rows: 4
+Enter symbol as you wish: 
+*
+   *
+  ***
+ *****
+*******
+ *****
+  ***
+   *
+   */
+
+import java.util.Scanner;
+
+public class diamond {
+
+	public static void main(String[] args) {
+
+		int i,j;
+		Scanner scan=new Scanner(System.in);
+		System.out.print("Enter the number of rows: ");
+		int rows=scan.nextInt();
+		System.out.println("Enter symbol as you wish: "); 
+		char ch=scan.next().charAt(0);
+		//read number input from user
+		i=1;
+		while(i<=rows){//first outer while loop iterates through the row
+		  j=1;
+		    while(j<=rows-i){
+		     System.out.print(" ");//print star
+		      j++;
+		  }
+		  j=1;
+		  while(j<=i*2-1){
+		     System.out.print(ch);//print given symbol
+		      j++;
+		  }
+		  System.out.println();//move to next line
+		   i++;
+		}
+		  i=rows-1; 
+		while(i>=0){//second outer while loop
+		  j=1;
+		    while(j<=rows-i){
+		     System.out.print(" ");//print space - inner wile loop
+		      j++;
+		  }
+		  j=1;
+		  while(j<=i*2-1){
+		     System.out.print(ch);//print given symbol - inner while loop
+		     j++;
+		  }
+		  System.out.println();
+		  i--;
+		  }
+	}
+
+}

Patterns/half_astrick_pyramid.java

@@ -0,0 +1,36 @@
+
+
+import java.util.Scanner;
+
+public class pyramid_2 {
+
+	public static void main(String[] args) {
+		//    *
+		//   **
+	  //  ***
+		// ****
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter Height of pyramid");
+	    int n = s.nextInt();
+	    int i=1;
+	    while(i<=n)
+	    {   
+	    	int j=1;
+	    	while(j<=n-i){
+	    		System.out.print(" ");
+	    		j=j+1;
+	    	}
+	    	int star=1;
+	    	while(star<=i) {
+	    		System.out.print("*");
+	    		star=star+1;
+	    	}
+
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+
+	}
+
+}

Patterns/isoceles_traingle.java

@@ -0,0 +1,40 @@
+
+
+import java.util.Scanner;
+
+public class isoceles_traingle {
+
+	public static void main(String[] args) {
+		//  1  
+		// 121
+		//12321
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter number of row");
+	    int n = s.nextInt();
+	    int i=1;
+	    while(i<=n)
+	    {   
+	    	int j=1;
+	    	while(j<=n-i){
+	    		System.out.print(" ");
+	    		j=j+1;
+	    	}
+	    	int num=1;
+	    	while(num<=i) {
+	    		System.out.print(num);
+	    		num=num+1;
+	    	}
+	    	int num1=i-1;
+	    	while(num1>=1) {
+	    		System.out.print(num1);
+	    		num1=num1-1;
+
+	    	}
+
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+	}
+
+}

Patterns/number_right_traingle.java

@@ -0,0 +1,32 @@
+
+
+import java.util.Scanner;
+
+public class traingle_pattern_2 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		//1
+		//23
+		//456
+		//78910
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter Height of of right angle traingle");
+	    int n = s.nextInt();
+	    int i=1;
+	    int count=1;
+	    while(i<=n)
+	    {   int j=1;
+
+	    	while(j<=i) {
+	    		System.out.print(count);
+	    		count+=1;
+	    		j=j+1;
+	    	}
+	    	System.out.println();
+	    	i=i+1;
+	    }
+
+	}
+
+}

Patterns/number_row_sequence_square_pattern.java

@@ -0,0 +1,29 @@
+
+
+import java.util.Scanner;
+
+public class pattern_3 {
+
+	public static void main(String[] args) {
+		//1234
+		//1234
+		//1234
+		//1234
+
+		Scanner s= new Scanner(System.in);
+		System.out.println("enter width of square");
+	    int n = s.nextInt();
+	    int i=1;
+
+	    while(i<=n)
+	    {   int j=1;
+	    	while(j<=n) {
+	    		System.out.print(j);
+	    		j=j+1;
+	    	}
+	    	System.out.println();
+	    	i=i+1;
+	    }
+	}
+
+}

Patterns/number_sequence_pattern.java

@@ -0,0 +1,35 @@
+
+import java.util.Scanner;
+
+public class traingle_pattern_3 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		//1
+		//23
+		//345
+		//4567
+		Scanner s= new Scanner(System.in);
+		System.out.println("Enter n ");
+	    int n = s.nextInt();
+	    int i=1;
+
+	    while(i<=n)
+	    {   int j=1;
+	        int count=i;
+	    	while(j<=i) {
+	    		System.out.print(count);
+	    		count+=1;
+	    		j=j+1;
+
+
+	    	}
+	    	System.out.println();
+
+	    	i=i+1;
+	    }
+
+
+	}
+
+}