How do I make a methods that splits a String into individual letters of type String?

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In the following snippet:

static Scanner userInput = new Scanner(;
static String str;

public static void main(String[] args) {

    str = userInput.nextLine();


 public String wordSplitter() {     
    char b;     

    for(int i = 0; i < numbers.length(); i += 1) 
    b = str.charAt(i);
    return b;       

the statement "return b;" gives me an error because my method should return a String, but b is a char.

So how do I somehow make b into a String? Or is there a better way to split Strings into letters of type String?


How about this?

public String splitStringIntoLetters(){
        String toBeSplit = "abcdefg";
        char [] toBeSplitChar = toBeSplit.toCharArray();
        return java.util.Arrays.toString(toBeSplitChar);

this returns something like: [a, b, c, d, e, f, g]

Once you get the string just perform the operation that you want on the string. e.g.

String testStr = splitStringIntoLetters();
System.out.println(testStr.replace("["," ").replace("]"," ").split(","));

The split() method divides a String into an ordered set of substrings, puts these separator is just a single character; this is used to split a delimited string. See “​How do you get a string to a character array in JavaScript? The String.Split method creates an array of substrings by splitting the input string based on one or more delimiters. It is often the easiest way to separate a string on word boundaries. It is also used to split strings on other specific characters or strings.

public String wordSplitter() {     
    char b;     

    for(int i = 0; i < numbers.length(); i += 1) 
    b = String.valueOf(str.charAt(i));
    return b;       

You can try above code.

   String string = Character.toString(ch);
   String string = String.valueOf(ch);

This both above method can convert your character to String. Hope this will helps you.

It then assigned this new string as the value of s1 (and discarded the old value of s1). we can call it to split a sentence into individual words: >>> s4 = 'strings are The split method does not have a very sophisticated definition for a “word. character in a string is to type a backslash followed by the letter n: >>> quote = 'I  This approach uses for loop to convert each character into a list. Just enclosing the For loop within square brackets [] will split the characters of word into list. filter_none

There are many ways to achieve that, you can use/return Character.toString(b) or String.valueOf(b) static methods.

here and here the Doc

public String wordSplitter() {     
    char b;     
    ....// do something and assign b
    return Character.toString(b);       

Just use the appropriate method: String#split() . If you'd like to retain the split character in the resulting parts, then make use of each character in the Delimiter String is treated // like a single delimiter public So you can choose the best option for you depending on what you need, e.g. return type (array, list, or iterable). A string is an object that stores an array of chars, but does give any methods to modify the contents of those chars. You may read from, but not update as a char[]. You can easily make your own string class and I've had to do so with C/C++.

You can try it like these,first of all I think it should be i<str.legth; and you can handle it like this, return b+"";

Split. and. Join. Methods. Breaking up strings into individual pieces of data is a applications to everyday office applications, store data in some type of string format. Split method for breaking up strings and the Join method for making a string The method works by focusing on a separating character to determine where  A table-valued function that splits a string into rows of substrings, based on a specified separator character. Compatibility level 130. STRING_SPLIT requires the compatibility level to be at least 130. When the level is less than 130, SQL Server is unable to find the STRING_SPLIT function. To change the compatibility level of a database, refer

Seems your code is mainly designed to eat CPU performance.

Normally you would replace :

for(int i = 0; i < numbers.length(); i += 1) 
    b = str.charAt(i); 
return b;


return str.charAt(numbers.length()-1);

And if you insist on returning a String you would do

 return String.valueOf(str.charAt(numbers.length()-1));

... but I struggle understanding what the purpose of this could be

The split() method is used to split a string into an array of substrings, and returns the new array. Tip: If an empty string ("") is used as the separator, the string is split between each character. Note: The split() method does not change the original string. The task boils down to iterating over characters of the string and collecting them into a list. The most naïve solution would look like result = [] for character in string: result.append(character)

.split() splits mary on whitespce, and the returned result is a list of words in The list() function turns a string into a list of individual letters: > When a string type is given, what's returned is a list of characters in it. If you have a list of words, how do you put them back together into a single string? .join() is the method to use. One thing to consider here is str.charAt (i) will return a char. So if you need a String you will need to do Character.toString (str.charAt (i)). This will create a copy of that character, but that is still better than O (n) space that using str.split ("") would give you. – catalyst294 Feb 9 '14 at 16:51. That always creates an array that is

How to convert a string into an array of characters in JavaScript? Here are 4 ways using the built-in split and 3 new ES6 methods. If all you're doing is wanting separate the string by each string character, all of the ways are good and will give you the same result TypeScript Test: Result array is not a string[] type 😱. The string split () method breaks a given string around matches of the given regular expression. Following are the two variants of split () method in Java: Parameters: regex - a delimiting regular expression Limit - the result threshold Returns: An array of strings computed by splitting the given string. Throws: PatternSyntaxException - if the

Splits a string into substrings based on the provided character separator. To unambiguously identify the called method, your code must indicate the type of the is used to split strings in multiple Split method calls, consider creating a single​  The following example defines a function that splits a string into an array of strings using the specified separator. After splitting the string, the function logs messages indicating the original string (before the split), the separator used, the number of elements in the array, and the individual array elements.

  • Lots of way to do this.…
  • Is b being overwritten on purpose? Also, is wordSplitter instance method on purpose?
  • What exactly are you trying to do? What is the purpose of wordSplitter method?
  • ..?? forgot something??
  • Char plus " " is a string,it is convenient than other methods.