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  1. uses java.io.InputStreamReader
  2. uses java.util.Scanner
  3. uses java.lang.System
  4.  
  5. var scanner = new Scanner( new InputStreamReader( System.in ) )
  6.  
  7. print(scanner typeis Scanner)
Success #stdin #stdout 5.08s 169364KB
stdin
Standard input is empty
stdout
true