.

bac1/q2/algo/hashmap.java

@@ -0,0 +1,49 @@
+public class hashmap implements Map{
+
+	public static final TAB_SIZE = 1024;
+	LinkedList[] values = new Object[TAB_SIZE];
+	class HashEntry{ public Object key, values; 
+		public HashEntry(Object key, Object value){
+			this.key = key;
+			this.value = value;
+		}
+	
+	}
+
+	public void put(Object key, Object value){
+		int pos = key.hashCode() % values.lenght();
+		if (values[pos] == null){
+			values[pos] = value;
+			return;
+		}
+		if(value[pos] instanceof ArrayList<HashEntry> t){
+			t.add(new HashEntry(key, value));
+			return;
+		}
+		Object temp = values[pos];
+		values[pos] = new ArrayList<HashEntry>;
+		value[pos].add(temp);
+		value[pos].add(new HashEntry(key, value));
+	}
+
+	public Object get(Object key){
+		int pos = key.hashCode() % values.lenght();
+		if(values[pos].equals(key)){
+			return values[pos].value;
+		}
+		if(values[pos] instanceof ArrayList<HashEntry> t){
+			for (v : t) {
+				if (v.key.equals(key)){
+					return v.value
+				}
+			}
+		}
+		return null;
+
+	}
+
+	public static void main(String[] args) {
+		System.out.println("test");
+
+	}
+}