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Gnesinka [82]
3 years ago
5

Write a program that reads in text from standard input (hint: use Scanner) and prints out the number of words in the text. For t

he purpose of this exercise, a word is a sequence of non-whitespace characters that is surrounded by whitespace.
Computers and Technology
1 answer:
Vitek1552 [10]3 years ago
4 0

Answer:

The solution code is written in Java

  1.        Scanner input = new Scanner(System.in);
  2.        System.out.print("Enter a text: ");
  3.        String inputStr = input.nextLine();
  4.        String wordList[] = inputStr.split(" ");
  5.        System.out.println("The number of word in the input text: " + wordList.length);

Explanation:

Firstly, create a Scanner object to read the user input text using nextLine method (Line 1-3).

Next, we can use the string split method and use single space " " as the separator to convert the input text to an array of individual word (Line 5).

We can simply use println to display the number of words in the array by using the length property of the array (Line 7). The word count is equal to the array length.  

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Answer:

The program displays 5 4 3 2 1 and then raises an Array Index Out Of Bounds Exception.

Explanation:

A sample of code output is attached.

The code snippet contain xMethod that takes an array and array length as argument.

In the given snippet, the array {1, 2, 3, 4, 5} and length (5) is passed as argument to the method.

First the method display the element of the array in reverse order

System.out.print(" " + x[length - 1]);

and then the method call itself again. This displays

5 from x[4]

4 from x[3]

3 from x[2]

2 from x[1]

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but after displaying 1, when it tries to call the method again, an array index out of bound exception is thrown because it will try accessing an element from the array when it is already exhausted.

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Answer:

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Explanation:

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Answer:

Option b outFile.open("outputData.out");

Explanation:

In C++, there are several classes given to handle output and input of characters to or from files. They are:

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We can use an object of ofstream to hold the contents that we wish to output to an external file. The general syntax is as follows:

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From the list of options 1 to 4, only option (2) is correct

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