Lesson 3: Basic data types - Practice Exercises Java Exercises: 1 Char 2 Triangle 3 Password as string 4 Password, 5 attempts 5 Calculator - if 6 Calculator-switch 7 Double 8 Calculate values of a function 9 Display a function 10 Float, speed units 11 Sphere, float 12 Vowel - switch 13 Vowel - if 14 Triangle, NorthEast 15 Prime factors 16 If, symbols 17 Char + for 18 Double, approximation of Pi 19 Perimeter, area, diagonal 20 Hexadecimal and binary 21 Hexadecimal table 22 Binary 23 Conditional and boolean 24 Exceptions Lessony 3