removed duplciated data-structures

DataStructures/HashMap/Hashing/HashMap.java

@@ -0,0 +1,39 @@
+class HashMap {
+	private int hsize;
+	private LinkedList[] buckets;
+
+	public HashMap(int hsize) {
+		buckets = new LinkedList[hsize];
+		for (int i = 0; i < hsize ; i++ ) {
+			buckets[i] = new LinkedList();
+			// Java requires explicit initialisaton of each object 
+		}
+		this.hsize = hsize;
+	}
+
+	public int hashing(int key) {
+		int hash = key % hsize;
+		if(hash < 0)
+			hash += hsize;
+		return hash;
+	}
+	
+	public void insertHash(int key) {
+		int hash = hashing(key);
+		buckets[hash].insert(key);
+	}
+
+
+	public void deleteHash(int key) {
+		int hash = hashing(key);
+
+		buckets[hash].delete(key);
+	}
+	public void displayHashtable() {
+		for (int i = 0;i < hsize ; i++) {
+			System.out.printf("Bucket %d :",i);
+			buckets[i].display();
+		}
+	}
+
+}