#odersky-programming-in-scala-1ed #scala
Scala implicitly imports members of packages java.lang and scala , as
well as the members of a singleton object named Predef , into every Scala source
file.
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Classes and Objects previous example. This
import statement allows you to use the method's simple name in the
rest of the file.[5] The body of the main method simply prints out each argument and
the checksum for the argument, separated by a colon.
Note
<span>Scala implicitly imports members of packages java.lang and scala, as
well as the members of a singleton object named Predef, into every Scala source
file. Predef, which resides in package scala, contains many useful
methods. For example, when you say println in a Scala source file,
you're actually invoking println on Predef. (Predef.print Summary
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