Kako pretvoriti Char u String u Java (Primjeri)
U ovom vodiču proučavat ćemo programe za
- Za pretvaranje znaka u String
- Za pretvaranje niza u znak
Pretvori znak u niz
Postoji više načina za pretvaranje znaka u niz Java. Zapravo, niz je napravljen od niza znakova Java. Char je 16-bitni ili 2-bajtni tip podataka bez predznaka.
String možemo pretvoriti u znak pomoću 2 metode –
Metoda 1: Korištenje metode toString().
public class CharToString_toString { public static void main(String[] args) { //input character variable char myChar = 'g'; //Using toString() method //toString method take character parameter and convert string. String myStr = Character.toString(myChar); //print string value System.out.println("String is: " + myStr); } }
Očekivani rezultat:
String is: g
Metoda 2: Korištenje metode valueOf().
public class CharToString_valueOf { public static void main(String[] args) { char myChar = 'g'; //valueOf method take character parameter and convert string. String myStr = String.valueOf(myChar); ////print string value System.out.println("String is: " + myStr); } }
Očekivani rezultat:
String is: g
Pretvori niz u char
String možemo pretvoriti u char pomoću metode charAt() klase String.
//Convert String to Character using string method package com.guru99; public class StringToChar { public static void main(String[] args) { //input String String myStr = "Guru99"; //find string length using length method. int stringLength =myStr.length(); //for loop start 0 to total length for(int i=0; i < stringLength;i++) { //chatAt method find Position and convert to character. char myChar = myStr.charAt(i); //print string to character System.out.println("Character at "+i+" Position: "+myChar); } } }
Očekivani rezultat:
Character at 0 Position: G Character at 1 Position: u Character at 2 Position: r Character at 3 Position: u Character at 4 Position: 9 Character at 5 Position: 9