Q:

Scala program to get the index of the last occurrence of the specified substring

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YasminRadwan26
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2022-07-07
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Here, we will create a string, and then we will get the index of the last occurrence of specified substring using the lastIndexOf() function. Then we will print the result on the console screen.

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YasminRadwan26
2022-07-07
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Program/Source Code:

The source code to get the index of the last occurrence of specified substring is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to get the index of
// last occurrence of specified substring

object Sample {
  def main(args: Array[String]) {
    var str: String = "Banana";
    var index: Int = 0;

    index = str.lastIndexOf("na");
    printf("Index of last occurrence of substring 'na' is: %d\n", index);
  }
}

Output:

Index of last occurrence of substring 'na' is: 4

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 a string variable str with the initial value "Banana". Then we got the index of the last occurrence of specified substring using the lastIndexOf() method. After that, we printed the result on the console screen.

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