Array & Set Example: Character vowel[] = { 'a', 'A', 'e', 'E', 'i', 'I', 'o', 'O', 'u', 'U' }; Set<Character> v = new HashSet<>(Arrays.asList(vowel)); StringBuilder & String Example: StringBuffer sb = new StringBuffer(); String str = sb.toString();
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Array & Set Example: Character vowel[] = { 'a', 'A', 'e', 'E', 'i', 'I', 'o', 'O', 'u', 'U' }; Set<Character> v = new HashSet<>(Arrays.asList(vowel)); StringBuilder & String Example: StringBuffer sb = new StringBuffer(); String str = sb.toString();