0° North (Latitude) and 0° East (Longitude) meet at a single point called Null Island. 📍 Exact location Coordinates: 0° latitude, 0° longitude Where: In the Atlantic Ocean, specifically the Gulf of Guinea, off the west coast of Africa 🧭 What the lines mean 0° North = the Equator (divides Northern & Southern Hemispheres) 0° East = the Prime Meridian (divides Eastern & Western Hemispheres) 🌍 Important note There is no land at this intersection—just ocean. “Null Island” is an informal name often

Where on Earth is the 0°,0°coordinates? And why it called the 'null island'

Null Island - Alchetron, The Free Social Encyclopedia

The use of null values in a map is problematic, as there is then no way to differentiate whether a null value returned by the call get( k ) represents the legitimate value of an entry (k, null ), or designates that key k was not found. The java.util. Map interface includes a boolean method, containsKey (k), that resolves any such ambiguity. Implement such a method for the Unsorted TableMap class. | Numerade