Question

create computer program to translate real world descriptions into knowledge representations

PS：pick whichever language you prefer:). And this is regarding artificial intelligence study.

Answer 1

Solution

// TextProcess.java

import java.io.File;

import java.io.FileNotFoundException;

import java.util.ArrayList;

import java.util.Scanner;

public class TextProcess {

// method to load all words from a file into an array list

static ArrayList<String> fileToList(File file) {

// creating an array list

ArrayList<String> words = new ArrayList<String>();

// opening file

try {

Scanner scanner = new Scanner(file);

// loops and add each and every word to words list

while (scanner.hasNext()) {

words.add(scanner.next());

}

// closing file

scanner.close();

} catch (FileNotFoundException e) {

// error, the file is not in the same directory

System.out.println("File not found!");

}

return words;

}

// method to extract the words begin with a character ch from an array list

// of words

static ArrayList<String> beginsWith(ArrayList<String> inputList, char ch) {

// creating a list

ArrayList<String> result = new ArrayList<String>();

// looping through each word in input list

for (String word : inputList) {

// checking if word starts with the given character,

// note: this check is case sensitive, if you want to check without

// case sensitivity, convert word to lower case by calling

// word.toLowerCase() and convert ch to lower case by calling

// Character.toLowerCase(ch) just like below commented code

// if(word.toLowerCase().startsWith(""+Character.toLowerCase(ch))

if (word.startsWith("" + ch)) {

result.add(word);

}

}

return result;

}

// method to print all words in a list separated by space

static void print(ArrayList<String> inputList) {

for (String word : inputList) {

System.out.print(word + " ");

}

System.out.println();

}

public static void main(String[] args) {

//

/**

* creating file object. make sure that you have the file cs.txt in the

* root directory of your project. if not, copy the file from the

* folder, go to the IDE (eclipse, netbeans etc) right click on project

* name, click paste, the file will be added. If you fail to do this

* correctly, the file will not be loaded, and this is not mistake in my

* code.

*/

File file = new File("cs.txt");

//loading words

ArrayList<String> words = fileToList(file);

//getting words start with 'a'

ArrayList<String> wordsBeginWithA = beginsWith(words, 'a');

//printing words start with 'a'

print(wordsBeginWithA);

}

}

/*OUTPUT*/

and approach and applications. and algorithms acquisition, and access as a and a and a and as and are abstract, as applications. approaches aspects and and and accessible

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