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Exercise

Using Wrappers

Because wrappers and primitives often look very similar in code, it takes some practice to work with wrappers. Wrapper classes come with a number of important methods that make comparing, converting, and generally working with data easier. In this exercise, you will experiment with several wrapper methods and fields.

Instructions

100 XP
  • Compare the value of pi to eulers value using the .compareTo() method.
  • Print out the maximum allowed short primitive value.
  • Parse the string "true" to a boolean primitive using Boolean's .parseBoolean() method.