Q:

Scala program to concatenate strings using the plus (+) operator

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YasminRadwan26
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2022-07-07
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Here, we will concatenate two strings using the plus (+) operator and assign the result into another string.

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YasminRadwan26
2022-07-07
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Program/Source Code:

The source code to concatenate strings using the plus (+) operator is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to concatenate strings
// using plus "+" operator

object Sample {
  def main(args: Array[String]) {
    var str1 = "Hello ";
    var str2 = "World ";
    var str3 = "";

    str3 = str1 + str2;

    printf("Concatenated string: '%s'\n", str3);
  }
}

Output:

Concatenated string: 'Hello World '

In the above program, we used an object-oriented approach to create the program. And, we created an object Sample. Here, we defined main() function. The main() function is the entry point for the program.

In the main() function, we created three string variables str1, str2, str3 that are initialized with "Hello ", "World  ", "" respectively. Then we concatenated strings str1, str2 using the plus (+) operator and assigned the result into str3. After that, we printed concatenated string on the console screen.

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