J

How to type it

Right index finger; hold Shift for the capital. Introduced in Lesson 1: Home row: f and j.

Common uses

• J sounds like the start of jam and is one of the less common letters in English text.
• On a keyboard, the J key sits under the right index finger on the home row.

Less common uses

• J began as a stylized form of I and became a separate letter only in recent centuries.
• J is the symbol for joule, a unit of energy.
• The J key has a small raised bump, like F, to mark the home row.