counting snippets

Author: Mcbencrafter

snippets/java/string-manipulation/count-character-frequency.md

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+---
+title: Count Character Frequency
+description: Counts the frequency of each character in a string
+author: Mcbencrafter
+tags: string,character,frequency,character-frequency
+---
+
+```java
+public static Map<Character, Integer> characterFrequency(String text, boolean countSpaces, boolean caseSensitive) {
+    Map<Character, Integer> frequencyMap = new HashMap<>();
+
+    for (char character : text.toCharArray()) {
+        if (character == ' ' && !countSpaces)
+            continue;
+
+        if (!caseSensitive)
+            character = Character.toLowerCase(character);
+
+        frequencyMap.put(character, frequencyMap.getOrDefault(character, 0) + 1);
+    }
+
+    return frequencyMap;
+}
+
+// Usage:
+System.out.println(characterFrequency("hello world", false, false)); // {r=1, d=1, e=1, w=1, h=1, l=3, o=2}
+```

snippets/java/string-manipulation/count-consonants.md

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+---
+title: Count Consonants
+description: Counts the consonants (every character except for a, e, i, o, u) in a string
+author: Mcbencrafter
+tags: string,consonants,counter
+---
+
+```java
+public static int countConsonants(String text) {
+    String consonants = "bcdfghjklmnpqrstvwxyz";
+    int count = 0;
+
+    for (char character : text.toLowerCase().toCharArray()) {
+        if (consonants.indexOf(character) == -1)
+            continue;
+            
+        count++;
+    }
+
+    return count;
+}
+
+// Usage:
+System.out.println(countConsonants("hello world")); // 7
+```

snippets/java/string-manipulation/count-vowels.md

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+---
+title: Count Vowels
+description: Counts the vowels (a, e, i, o, u) in a string
+author: Mcbencrafter
+tags: string,vowels,counter
+---
+
+```java
+public static int countVowels(String text) {
+    String vowels = "aeiou";
+    int count = 0;
+
+    for (char character : text.toLowerCase().toCharArray()) {
+        if (vowels.indexOf(character) == -1)
+            continue;
+        
+        count++;
+    }
+
+    return count;
+}
+
+// Usage:
+System.out.println(countVowels("hello world")); // 3
+```

snippets/java/string-manipulation/count-words.md

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+---
+title: Count Words
+description: Counts the number of words in a string
+author: Mcbencrafter
+tags: string,word,count
+---
+
+```java
+public static int countWords(String text) {
+    return text.split("\\s+").length;
+}
+
+// Usage:
+System.out.println(countWords("hello world")); // 2
+```