new task are added

src/JavaTrainingTask/Question5/Patterns.java

 package JavaTrainingTask.Question5;
 import java.util.Scanner;
 public class Patterns {
-    int no;
+    int row;
     Scanner input;
     Patterns()
     {
         System.out.println("Object is Created!");
-        no=0;
+        row=0;
+
         input= new Scanner(System.in);
 
     }
 
+
+    void printPyramid(int rows)
+    {
+
+        for (int i = 0; i < rows; i++) {
+
+            for (int j = 0; j < rows- i - 1; j++) {            // let suppose row is 4-i(0)-1 = 3rd col space print
+                System.out.print(" ");                         // 4-i(1)-1= 2
+            }
+
+
+            for (int k = 0; k < 2 * i + 1; k++) {             // let suppose k which is 2*i(0)+1= 1( one time star will print
+                System.out.print("*");                        // 2*i(1)+1= 3 star will print.
+            }
+
+            System.out.println();
+        }
+    }
+
+
+
+
+
     void printGparamid()
     {
-        System.out.println("Enter no :");
-        no= input.nextInt();
-        for(int i=no;i>0;i--)
+        System.out.println("Enter no of row:");
+        row= input.nextInt();
+
+
+        for (int i = 0; i < row; i++)
         {
-            for(int j=i;j>0;j--)
+
+            for (int j = 0; j < i; j++)
+            {
+                System.out.print(" ");
+            }
+
+
+            for (int k = 0; k < (2 * (row - i) - 1); k++)
             {
                 System.out.print("*");
             }
-            System.out.println("");
 
+            System.out.println();
         }
+
+
+
+
+
+        for (int i = 0; i < row; i++) {
+
+            for (int j = 0; j < row - i - 1; j++) {            // let suppose row is 4-i(0)-1 = 3rd col space print
+                System.out.print(" ");                         // 4-i(1)-1= 2
+            }
+
+
+            for (int k = 0; k < 2 * i + 1; k++) {             // let suppose k which is 2*i(0)+1= 1( one time star will print
+                System.out.print("*");                        // 2*i(1)+1= 3 star will print.
+            }
+
+            System.out.println();
+        }
+
     }
-}
+
+
+    void printTogalingDimond()
+    {
+
+        System.out.println("Enter no of row:");
+        row= input.nextInt();
+
+        for (int i = 0; i < row; i++) {
+
+            for (int j = 0; j < row - i - 1; j++) {            // let suppose row is 4-i(0)-1 = 3rd col space print
+                System.out.print(" ");                         // 4-i(1)-1= 2
+            }
+
+
+            for (int k = 0; k < 2 * i + 1; k++) {             // let suppose k which is 2*i(0)+1= 1( one time star will print
+                System.out.print("*");                        // 2*i(1)+1= 3 star will print.
+            }
+
+            System.out.println();
+        }
+
+        for (int i = 0; i < row; i++)
+        {
+
+            for (int j = 0; j < i; j++)
+            {
+                System.out.print(" ");
+            }
+
+
+            for (int k = 0; k < (2 * (row - i) - 1); k++)
+            {
+                System.out.print("*");
+            }
+
+            System.out.println();
+        }
+
+
+
+
+
+    }
+
+
+
+    void printVerticleTile()
+    {
+        System.out.println("Enter no of rows");
+        int rows= input.nextInt();
+        for(int i=0;i<rows;i++)
+        {
+            printPyramid(rows);
+        }
+    }
+
+
+    void printHorizontalTile()
+    {
+        System.out.println("Enter no of rows");
+        int rows= input.nextInt();
+        for(int i=0;i<1;i++)
+        {
+            for(int j=0;j<3;j++) {
+                printPyramid(rows);
+            }
+        }
+    }
+
+
+
+
+
+
+
+
+    }
+
+
+
+
+
+
+

src/JavaTrainingTask/Question5/main.java

@@ -4,6 +4,12 @@ public class main {
     public static void main(String[] args) {
 
         Patterns obj = new Patterns();
-        obj.printGparamid();
+        //obj.printGparamid();
+
+       // obj.printTogalingDimond();
+
+        //obj.printVerticleTile();
+
+        obj.printHorizontalTile();
     }
 }

src/JavaTrainingTask/Question8/Matrix.java

+package JavaTrainingTask.Question8;
+
+public class Matrix {
+    char [][]arr;
+    Matrix()
+    {
+        System.out.println("Object is created!");
+        arr = new char[3][3];
+    }
+
+    void printArray()
+    {
+        arr=new char[][]{{'a','b','c'},{'d','e','f'},{'g','h','i'}};
+
+        for(int i=0;i< arr.length;i++)
+        {
+            for(int j=0;j< arr.length;j++)
+            {
+                System.out.print(arr[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+
+    void swapColumn() {
+        // Ensure the array has at least two columns to swap
+        if (arr[0].length < 2) {
+            System.out.println("Not enough columns to swap.");
+            return;
+        }
+
+        // Swap the first column (index 0) with the last column (index arr[0].length - 1)
+        for (int i = 0; i < arr.length; i++)
+        {
+            char temp = arr[i][0];
+            arr[i][0] = arr[i][arr[i].length - 1];
+            arr[i][arr[i].length - 1] = temp;
+        }
+
+
+        System.out.println("Array after swapping first and last columns:");
+        for (int i = 0; i < arr.length; i++)
+        {
+            for (int j = 0; j < arr[i].length; j++)
+            {
+                System.out.print(arr[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+
+
+
+
+
+
+}

src/JavaTrainingTask/Question8/main.java

+package JavaTrainingTask.Question8;
+
+public class main {
+    public static void main(String[] args) {
+
+        Matrix obj = new Matrix();
+        obj.printArray();
+        obj.swapColumn();
+    }
+}