How are char -type constants and char-type variables interpreted when used as operands with a relational operator?

Updated: 12/24/2022

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∙ 14y ago

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As integers, within range -128..127 if signed, 0..255 if unsigned.

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∙ 14y ago

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Java vowel consonant space counts switch?

// Prints out the number of vowels, consonants, and space characters in str. static void printCounts(final String str) { // Keep track of totals int numVowels = 0; int numConsonants = 0; int numSpaces = 0; // All lowercase chars will simplify the check for letters. final String strLower = str.toLowerCase(); for (final char ch : strLower.toCharArray()) { // Switch on the type of character of ch and update the correct total switch (getType(ch)) { case VOWEL: ++numVowels; break; case CONSONANT: ++numConsonants; break; case SPACE: ++numSpaces; break; } } // Done System.out.println("Vowels:\t" + numVowels); System.out.println("Consonants:\t" + numConsonants); System.out.println("Spaces:\t" + numSpaces); } private enum CharType {VOWEL, CONSONANT, SPACE, OTHER;} // Returns the CharType of ch static CharType getType(final char ch) { if (ch >= 'a' && ch <= 'z') { // letters switch (ch) { case 'a': case 'e': case 'i': case 'o': case 'u': return CharType.VOWEL; default: return CharType.CONSONANT; } } else if (ch == ' ') { // spaces return CharType.SPACE; } return CharType.OTHER; }

Java vowel consonant space counts switch?

// Prints out the number of vowels, consonants, and space characters in str. static void printCounts(final String str) { // Keep track of totals int numVowels = 0; int numConsonants = 0; int numSpaces = 0; // All lowercase chars will simplify the check for letters. final String strLower = str.toLowerCase(); for (final char ch : strLower.toCharArray()) { // Switch on the type of character of ch and update the correct total switch (getType(ch)) { case VOWEL: ++numVowels; break; case CONSONANT: ++numConsonants; break; case SPACE: ++numSpaces; break; } } // Done System.out.println("Vowels:\t" + numVowels); System.out.println("Consonants:\t" + numConsonants); System.out.println("Spaces:\t" + numSpaces); } private enum CharType {VOWEL, CONSONANT, SPACE, OTHER;} // Returns the CharType of ch static CharType getType(final char ch) { if (ch >= 'a' && ch <= 'z') { // letters switch (ch) { case 'a': case 'e': case 'i': case 'o': case 'u': return CharType.VOWEL; default: return CharType.CONSONANT; } } else if (ch == ' ') { // spaces return CharType.SPACE; } return CharType.OTHER; }

How are char -type constants and char-type variables interpreted when used as operands with a relational operator?

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Java vowel consonant space counts switch?

Java vowel consonant space counts switch?

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