How do you count characters in a string in Java?

How do you count characters in a string in Java?

Algorithm

1. STEP 1: START.
2. STEP 2: DEFINE String string = “The best of both worlds”.
3. STEP 3: SET count =0.
4. STEP 4: SET i=0. REPEAT STEP 5 to STEP 6 UNTIL i
5. STEP 5: IF (string. charAt(i)!= ‘ ‘) then count =count +1.
6. STEP 6: i=i+1.
7. STEP 7: PRINT count.
8. STEP 8: END.

How do you count words in a string in Java?

int count = 1;

1. for (int i = 0; i < str. length() – 1; i++) {
2. if ((str. charAt(i) == ‘ ‘) && (str. charAt(i + 1) != ‘ ‘)) {
3. count++; }
4. } System. out. println(“Number of words in a string : ” + count);
5. } }

How do you count duplicate characters in a string in Java?

JAVA

1. public class DuplicateCharacters {
2. public static void main(String[] args) {
3. String string1 = “Great responsibility”;
4. int count;
5. //Converts given string into character array.
6. char string[] = string1.toCharArray();
7. System.out.println(“Duplicate characters in a given string: “);

How do you count characters in a word in Java?

Let’s see the code of creating Word Character Counter in java.

1. String text=”hello javatpoint this is wcc tool”;
2. String words[]=text.split(“\\s”);
3. int length=words.length;//returns total number of words.
4. int clength=text.length();//returns total number of characters with space.

How do you count the number of words in a string?

Algorithm

1. Define a string.
2. To counts the words present in the string, we will iterate through the string and count the spaces present in the string.
3. If a string starts with a space, then we must not count the first space as it is not preceded by a word.
4. To count the last word, we will increment the count by 1.

How do you count the number of vowels and consonants in a given string?

Approach:

1. Take the string as input.
2. Take each character from this string to check.
3. If this character is a vowel, increment the count of vowels.
4. Else increment the count of consonants.
5. Print the total count of vowels and consonants in the end.

How do I count the number of repeated characters in a string?

Approach:

1. Find the occurrences of character ‘a’ in the given string.
2. Find the No. of repetitions which are required to find the ‘a’ occurrences.
3. Multiply the single string occurrences to the No.
4. If given n is not the multiple of given string size then we will find the ‘a’ occurrences in the remaining substring.

How do you count special characters in a string?

Approach :

1. if(str[i] >= 65 and str[i] <=90), then it is uppercase letter,
2. if(str[i] >= 97 and str[i] <=122), then it is lowercase letter,
3. if(str[i] >= 48 and str[i] <=57), then it is number,
4. else it is a special character.

How do you find the number of vowels and consonants in a string in Java?

Algorithm

1. STEP 1: START.
2. STEP 2: SET vCount =0, cCount =0.
3. STEP 3: DEFINE string str = “This is a really simple sentence”.
4. STEP 4: CONVERT str to lowercase.
5. STEP 5: SET i =0.
6. STEP 6: REPEAT STEP 6 to STEP 8 UNTIL i
7. STEP 7: IF any character of str matches with any vowel then.
8. STEP 9: i = i + 1.