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Converting between String and arrays

Mr Rookie Dev answered on April 12, 2023 Popularity 1/10 Helpfulness 8/10

answer Converting between String and arrays

Converting between String and arrays

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char[] chars = { 'A', 'B', 'C', 'D', 'E', 'F' };

String stringFromChars = String.valueOf(chars); // "ABCDEF"

char[] charsFromString = stringFromChars.toCharArray(); 
// { 'A', 'B', 'C', 'D', 'E', 'F' }

String theSameString = new String(charsFromString); // "ABCDEF"
//                 //                     //                  //            //
There is another way to turn a string into an array. Take a look:

String text = "Hello";
String[] parts = text.split(""); // {"H", "e", "l", "l", "o"}
//               //                        //                //             //
If the delimiter is specified, the method returns an array of all the substrings. Note that the delimiter itself is not included in any of the substrings:

String sentence = "a long text";
String[] words = sentence.split(" "); // {"a", "long", "text"}
//                  //                      //                   //
Let's try to split an American phone number into the country code, the area code, the central office code, and other remaining digits:

String number = "+1-213-345-6789";
String[] parts = number.split("-"); // {"+1", "213", "345", "6789"}
Keep in mind that all these parts are still strings no matter what they look like!

Popularity 1/10 Helpfulness 8/10 Language java

Source: Grepper

Tags: arrays between java string

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Contributed on Apr 12 2023

Mr Rookie Dev

0 Answers Avg Quality 2/10

Converting between String and arrays

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