In your Java program you may have a requirement to convert a char to String or to convert a String to char. This post shows different options to do these conversions.
Convert char to String in Java
For converting char to String in Java there is a toString() method in the Character class.
If there is a Character class object then you can call toString() method on that object.
There is another static toString(char c) method which returns a String representation of the passed char.
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public class CharStrConversion { public static void main(String[] args) { char ch = 'a'; String str = Character.toString(ch); System.out.println("Converted String - " + str); } } |
Output
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1 |
Converted String – a |
Another option for converting char to String in Java is to use String.valueOf(char c) method that returns the string representation of the char argument.
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public class CharStrConversion { public static void main(String[] args) { char ch = 'a'; String str = String.valueOf(ch); System.out.println("Converted String - " + str); } } |
Output
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1 |
Converted String – a |
Convert String to char in Java
For converting String to char in Java you can use of the following methods of the String class.
- charAt(int index)– Returns the char value at the specified index.
- toCharArray()– Converts this string to a new character array. Then from that array you can get the required char using the index.
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public class StrCharConversion { public static void main(String[] args) { String str = "Hello"; // to get the 5th char (index starts from 0) char ch = str.charAt(4); System.out.println("Character is- " + ch); // Using toCharArray char[] charArr = str.toCharArray(); ch = charArr[1]; System.out.println("Character is- " + ch); } } |
Output
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Character is- o Character is- e |
That’s all for the topic Convert Char to String And String to Char in Java. If something is missing or you have something to share about the topic please write a comment.
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