U2L07 - String

This lesson drills what Trevor teaches in U2L07

Pre-requirements:

• You have performed each of previous drills to reach a top speed, and then repeated top speed 10x
• Follow this for all drills explainer
• Or this if you haven't even installed the drills yet installation

Summary of what is drilled

A Disciplined Approach? holds that these items should never again allow any confusion in your mind about this list of what Trevor covered in this lesson:

COVERED IN THE LESSON

• char is also covered
• hex values chart and equivalents
• '\u0021' maps to ! etc
• char letterA = 'A'
• what happens if 'AB' error must be single charachter
• two chars added together 'A' + 'B' = a numeric value of 131
• "There is really no call to use a char ..."
• String is an object, not a primitive thus String not string
• "AB" is a String
• String is array of chars but we don't know what an array is yet
• How to write a String with quote in this? Escape character "