Unit 3 - String, Math

Topics:

• class Math

  • PI, E

  • sin(), cos(), exp()

  • random()

  • abs(), floating point equality comparisons

• class String

  • String objects and return values

  • concatenation

  • reference types, comparison, equals()

  • length(), substring()

Demo

• HelloStrings.java

• HelloMath.java

• HelloRandom.java