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a guest May 26th, 2019 67 Never
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  1. // Practice Time: Null Checks
  2. // Create a nullable integer variable called nullTest, and set it to null.
  3. // Use a null-check that increases the value by one if it's not null, otherwise returns 0, and prints the result.
  4.  
  5. var nullTest: Int? = null
  6. println(nullTest?.inc() ?:0)
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