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## String concatenation

- `+` operator concatenates strings:

      "Hello, " + name

- If one argument of `+` is a string, the other is converted into a string:

      int n = 7;

      String greeting = "Hello, " + n;

         // yields "Hello, 7"

- `toString` method is applied to objects

      Date now = new Date();

      String greeting = "Hello, " + now;

         // concatenates now.toString()

         // yields "Hello, Wed Jan 17 16:57:18 PST 2001"

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