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2020-10-24 10:23:28 +00:00
parent a23bac99e8
commit 5d59a2e828
219 changed files with 13758 additions and 14582 deletions
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62
Others/CountWords.java
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@ -3,46 +3,42 @@ package Others;
import java.util.Scanner;
/**
* You enter a string into this program, and it will return how many words were
* in that particular string
* You enter a string into this program, and it will return how many words were in that particular
* string
*
* @author Marcus
*/
public class CountWords {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Enter your text: ");
String str = input.nextLine();
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Enter your text: ");
String str = input.nextLine();
System.out.println("Your text has " + wordCount(str) + " word(s)");
System.out.println("Your text has " + secondaryWordCount(str) + " word(s)");
input.close();
}
System.out.println("Your text has " + wordCount(str) + " word(s)");
System.out.println("Your text has " + secondaryWordCount(str) + " word(s)");
input.close();
}
private static int wordCount(String s) {
if (s == null || s.isEmpty())
return 0;
return s.trim().split("[\\s]+").length;
}
private static int wordCount(String s) {
if (s == null || s.isEmpty()) return 0;
return s.trim().split("[\\s]+").length;
}
/**
* counts the number of words in a sentence but ignores all potential
* non-alphanumeric characters that do not represent a word. runs in O(n) where
* n is the length of s
*
* @param s String: sentence with word(s)
* @return int: number of words
*/
private static int secondaryWordCount(String s) {
if (s == null || s.isEmpty())
return 0;
StringBuilder sb = new StringBuilder();
for (char c : s.toCharArray()) {
if (Character.isLetter(c) || Character.isDigit(c))
sb.append(c);
}
s = sb.toString();
return s.trim().split("[\\s]+").length;
/**
* counts the number of words in a sentence but ignores all potential non-alphanumeric characters
* that do not represent a word. runs in O(n) where n is the length of s
*
* @param s String: sentence with word(s)
* @return int: number of words
*/
private static int secondaryWordCount(String s) {
if (s == null || s.isEmpty()) return 0;
StringBuilder sb = new StringBuilder();
for (char c : s.toCharArray()) {
if (Character.isLetter(c) || Character.isDigit(c)) sb.append(c);
}
s = sb.toString();
return s.trim().split("[\\s]+").length;
}
}