count the number of words in a string java
public static void main(String[] args)
{
//return the number of words in a string
String example = "This is a good exercise";
int length = example.split(" ").length;
System.out.println("The string is " + length + " words long.");
}counting the number of characters in a string java
public static void main(String[] args) {
int wordCount = 0;
String word = "hill";
for (char letter = 'a'; letter <= 'z'; letter++) {
for (int i = 0; i < word.length(); i++) {
if (word.charAt(i) == letter) {
wordCount++;
}
}
if (wordCount > 0) {
System.out.println(letter + "=" + wordCount);
wordCount = 0;
}
}
}java count frequency of characters in a string
public class Frequency
{
public static void main(String[] args) {
String str = "picture perfect";
int[] freq = new int[str.length()];
int i, j;
//Converts given string into character array
char string[] = str.toCharArray();
for(i = 0; i <str.length(); i++) {
freq[i] = 1;
for(j = i+1; j <str.length(); j++) {
if(string[i] == string[j]) {
freq[i]++;
//Set string[j] to 0 to avoid printing visited character
string[j] = '0';
}
}
}
//Displays the each character and their corresponding frequency
System.out.println("Characters and their corresponding frequencies");
for(i = 0; i <freq.length; i++) {
if(string[i] != ' ' && string[i] != '0')
System.out.println(string[i] + "-" + freq[i]);
}
}
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
