java string get char at index

stackoverflow.com › questions › 11229986 › get-string-character-by-index

The method you're looking for is charAt. Here's an example:

String text = "foo";
char charAtZero = text.charAt(0);
System.out.println(charAtZero); // Prints f

For more information, see the Java documentation on String.charAt. If you want another simple tutorial, this one or this one.

If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:

String text = "foo";
String letter = Character.toString(text.charAt(0));
System.out.println(letter); // Prints f

If you want more information on the Character class and the toString method, I pulled my info from the documentation on Character.toString.

Answer from Ricardo Altamirano on Stack Overflow

Stack Overflow

stackoverflow.com › questions › 11229986 › get-string-character-by-index

java - Get string character by index - Stack Overflow

Top answer

1 of 13

410

The method you're looking for is charAt. Here's an example:

String text = "foo";
char charAtZero = text.charAt(0);
System.out.println(charAtZero); // Prints f

For more information, see the Java documentation on String.charAt. If you want another simple tutorial, this one or this one.

If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:

String text = "foo";
String letter = Character.toString(text.charAt(0));
System.out.println(letter); // Prints f

If you want more information on the Character class and the toString method, I pulled my info from the documentation on Character.toString.

2 of 13

You want .charAt()

Here's a tutorial

"mystring".charAt(2)

returns s

If you're hellbent on having a string there are a couple of ways to convert a char to a string:

String mychar = Character.toString("mystring".charAt(2));

String mychar = ""+"mystring".charAt(2);

Or even

String mychar = String.valueOf("mystring".charAt(2));

For example.

MDN Web Docs

developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › String › charAt

String.prototype.charAt() - JavaScript | MDN

const sentence = "The quick brown fox jumps over the lazy dog."; const index = 4; console.log(`The character at index ${index} is ${sentence.charAt(index)}`); // Expected output: "The character at index 4 is q" ... Zero-based index of the character to be returned. Converted to an integer — undefined is converted to 0. A string representing the character (exactly one UTF-16 code unit) at the specified index.

Discussions

how to get a character value at a given index number?

Do you just want the element on the index of the string · Reports the zero-based index of the first occurrence of a specified Unicode character or string within this instance. The method returns -1 if the character or string is not found in this instance · I do think Neally’s way is the ... More on community.spiceworks.com

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In Java How Do You Assign A Char To A Particular Index In A String?

You can't manipulate a string like that. Java Strings are immutable; in order to change them, you have to create a new one; easiest way would be using substring to cut out the parts of the string you want versus the one character you don't. Furthermore, charAt just gives you the character from the string; it's not a reference to the character than can be manipulated, it's just a copy of the character value. More on reddit.com

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Getting a character in string by index - AutoIt General Help and Support - AutoIt Forums

I have a string "hello" Is there a way to reference specific characters in the string by index? In python I could just use subscripts. In java I would just use charAt. EDIT: I could use StringMid($myString, $index, 1), but that seems tedious whenever I want to get a character from a string. More on autoitscript.com

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May 11, 2011

Question about getting last char at string.

Strings, like arrays and lists, are zero-indexed in java. That means the first element (i.e. the first character in the string) is at index 0, not index 1. Because of this, the last index (i.e. the last character in the string) is at an index one less than the length of the string. For example, take the string "hello": character: h e l l o index: 0 1 2 3 4 The string is five characters long, but the last character is at index 4, not 5. More on reddit.com

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