Added the program for Bubble Sort and updated readme file

Author: muskanmi

README.md

@@ -8,6 +8,14 @@ This is a repository containing various Java Programs to understand the basic co
 
   Java Codes for solving some of the Arrays related problems.
 
+* [Searching](https://github.com/muskanmi/Data-Structures-Java/tree/main/Searching):
+
+  Java Codes for various searching algorithms.
+
+* [Sorting](https://github.com/muskanmi/Data-Structures-Java/tree/main/Sorting):
+
+  Java Codes for various sorting algorithms.
+
 * [Recursion](https://github.com/muskanmi/Data-Structures-Java/tree/main/recursion):
 
   Java Codes for solving some problems of recursion.

Sorting/BubbleSort.java

@@ -0,0 +1,38 @@
+import java.io.*;
+import java.util.Scanner;
+
+public class BubbleSort {  
+    static void bubbleSort(int[] arr) {  
+        int n = arr.length;  
+        int t = 0;  
+        for(int i=0; i<n; i++){  
+            for(int j=1; j<(n-i); j++){  
+                if(arr[j-1] > arr[j]){
+                    t = arr[j-1];  
+                    arr[j-1] = arr[j];  
+                    arr[j] = t;  
+                }
+            }
+        }
+    }
+    
+    public static void main(String a[]){  
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter the number of elements in the array: ");
+        int n = scanner.nextInt();
+        int arr[] = new int[n];
+
+        System.out.println("Enter the elements of the array:");
+        for (int i=0; i<n; i++) {
+            arr[i] = scanner.nextInt();
+        }
+          
+        bubbleSort(arr); 
+         
+        System.out.println("Sorted Array:");
+        for (int i=0; i<n; i++) {
+            System.out.print(arr[i]+ " ");
+        }
+    }
+}