Q:

Scala program to compare strings using compareTo() method

belongs to collection: Scala String Programs

YasminRadwan26
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2022-07-07
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Here, we will compare string variables using the compareTo() method. The compareTo() method returns integer value based on comparison.

  • If string1 > string2 then it returns a positive value.
  • If string1 < string2 then it returns a negative value.
  • If string1 is equal to string2 then it returns 0.
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YasminRadwan26
2022-07-07
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Program/Source Code:

The source code to compare strings using the compareTo() method is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to compare strings
// using compareTo() method

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

    if (str1.compareTo(str2) == 0)
      println("Match");
    else
      println("No Match");

    if (str2.compareTo(str2) == 0)
      println("Match");
    else
      println("No Match");
  }
}

Output:

No Match
Match

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", "hello", "hello" respectively. Then we compared strings using the compareTo() method. After that, we printed the appropriate message on the console screen.

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