changes

Data Structures/HashMap/Hashing/Main.java

@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+public class Main {
+	public static void main(String[] args) {
+
+		int choice, key;
+
+		HashMap h = new HashMap(7);
+
+		while (true) {
+			System.out.println("Enter your Choice :");
+			System.out.println("1. Add Key");
+			System.out.println("2. Delete Key");
+			System.out.println("3. Print Table");
+			System.out.println("4. Exit");
+
+			Scanner In = new Scanner(System.in);
+
+			choice = In.nextInt();
+
+			switch (choice) {
+				case 1: {
+					System.out.println("Enter the Key: ");
+					key = In.nextInt();
+					h.insertHash(key);
+					break;
+				}
+				case 2: {
+					System.out.println("Enter the Key delete:  ");
+					key = In.nextInt();
+					h.deleteHash(key);
+					break;
+				}
+				case 3: {
+					System.out.println("Print table");
+					h.displayHashtable();
+					break;
+				}
+				case 4: {
+					return;
+				}	
+			}
+		}
+	}
+}