How to Convert String to Character in Java
Open the IDE., Copy and paste the following code: class Convert { public static void main(String[] args) { try { String str = "kjv;afa54f65a4f55a45f413a"; char ch = str.charAt(0); System.out.println(ch); } catch(NullPointerException e) {...
Step-by-Step Guide
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Step 1: Open the IDE.
Open your IDE of choice, or write the java program in your text editor and run it in the command line. ,, The output will be k., This will help you adapt it to your needs.
A String variable is actually an array of characters.
So you cannot convert it into Character but extract the first character of the string.
You declare a String variable str with the value "kjv;afa54f65a4f55a45f413a".
Next, you use the String function charAt to extract the first character of the String and assign it to another Character variable ch Then you print the new Character value of variable ch as k.
You use the try-catch block to counter a NullPointerException and print a corresponding error message. -
Step 2: Copy and paste the following code: class Convert { public static void main(String[] args) { try { String str = "kjv;afa54f65a4f55a45f413a"; char ch = str.charAt(0); System.out.println(ch); } catch(NullPointerException e) { System.out.println("Invalid String for conversion to Character"); } } }
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Step 3: Run the program.
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Step 4: Understand what the program does.
Detailed Guide
Open your IDE of choice, or write the java program in your text editor and run it in the command line. ,, The output will be k., This will help you adapt it to your needs.
A String variable is actually an array of characters.
So you cannot convert it into Character but extract the first character of the string.
You declare a String variable str with the value "kjv;afa54f65a4f55a45f413a".
Next, you use the String function charAt to extract the first character of the String and assign it to another Character variable ch Then you print the new Character value of variable ch as k.
You use the try-catch block to counter a NullPointerException and print a corresponding error message.
About the Author
Sarah Myers
With a background in lifestyle and practical guides, Sarah Myers brings 11 years of hands-on experience to every article. Sarah believes in making complex topics accessible to everyone.
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