Create BucketSort.java

THE-VR7 · web-flow · commit 63b9e137caf7 · 2020-05-22T02:28:42.000+05:30
diff --git a/Sorts/BucketSort.java b/Sorts/BucketSort.java
@@ -0,0 +1,68 @@
+
+import java.util.Random;
+ 
+public class Bucket_Sort 
+{
+    static int[] sort(int[] sequence, int maxValue) 
+    {
+        // Bucket Sort
+        int[] Bucket = new int[maxValue + 1];
+        int[] sorted_sequence = new int[sequence.length];
+ 
+        for (int i = 0; i < sequence.length; i++)
+            Bucket[sequence[i]]++;
+ 
+        int outPos = 0;
+        for (int i = 0; i < Bucket.length; i++)
+            for (int j = 0; j < Bucket[i]; j++)
+                sorted_sequence[outPos++] = i;
+ 
+        return sorted_sequence;
+    }
+ 
+    static void printSequence(int[] sorted_sequence) 
+    {
+        for (int i = 0; i < sorted_sequence.length; i++)
+            System.out.print(sorted_sequence[i] + " ");
+    }
+ 
+    static int maxValue(int[] sequence) 
+    {
+        int maxValue = 0;
+        for (int i = 0; i < sequence.length; i++)
+            if (sequence[i] > maxValue)
+                maxValue = sequence[i];
+        return maxValue;
+    }
+ 
+    public static void main(String args[]) 
+    {
+        System.out.println("Sorting of randomly generated numbers using BUCKET SORT");
+        Random random = new Random();
+        int N = 20;
+        int[] sequence = new int[N];
+ 
+        for (int i = 0; i < N; i++)
+            sequence[i] = Math.abs(random.nextInt(100));
+ 
+        int maxValue = maxValue(sequence);
+ 
+        System.out.println("\nOriginal Sequence: ");
+        printSequence(sequence);
+ 
+        System.out.println("\nSorted Sequence: ");
+        printSequence(sort(sequence, maxValue));
+    }
+}
+
+#Output:
+
+$ javac Bucket_Sort.java
+$ java Bucket_Sort
+ 
+Sorting of randomly generated numbers using BUCKET SORT
+ 
+Original Sequence: 
+95 9 95 87 8 81 18 54 57 53 92 15 38 24 8 56 29 69 64 66 
+Sorted Sequence: 
+8 8 9 15 18 24 29 38 53 54 56 57 64 66 69 81 87 92 95 95
