How to map character to numeric position in java?

Question

E.g.

• input: [\'A\', \'Z\', \'F\', \'D\', ...]
• output: [0, 25, 5, 3, ...]

In C I\'d just subtract the char from \'A\', but I don\'t seem

Answer 1

Use the indexOf method on a String object. For example,

"ABCDEFGHIJKLMNOPQRSTUVWXYZ".indexOf('F')

returns 5.