Q:

Scala program to create a private singleton object

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YasminRadwan26
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2022-07-08
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Here, we will create a private singleton object. The private singleton object cannot be accessed in the different source file.

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YasminRadwan26
2022-07-08
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Program/Source Code:

The source code to create a private singleton object is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to create a "private" singleton object

private object SingletonObj {
  var num1: Int = 10;
  var num2: Int = 20;
}

object Sample {
  def main(args: Array[String]) {
    printf("Num1: %d\n", SingletonObj.num1);
    printf("Num2: %d\n", SingletonObj.num2);
  }
}

Output:

Num1: 10
Num2: 20

Explanation:

Here, we used an object-oriented approach to create the program. And, we created an object Sample.

We created a private singleton object SingletonObj. It contains two data members num1, num2 that are initialized with 10,20 respectively.

Then we defined the main() function. The main() function is the entry point for the program.

In the main() function, we printed the value members of the singleton object on the console screen.

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