Java: Convert String to Character array

Below function convert a string to Character array.

private static Character[] toCharArray(String str) {

    if(str == null) return null;

    int length = str.length();

    Character[] charArray = new Character[length];

   

    for(int i = 0; i < str.length(); i++) {

        charArray[i] = str.charAt(i);

    }

   

    return charArray;

}

App.java

package com.sample.app;

public class App {
    private static Character[] toCharArray(String str) {
        if(str == null) return null;
        int length = str.length();
        Character[] charArray = new Character[length];
        
        for(int i = 0; i < str.length(); i++) {
            charArray[i] = str.charAt(i);
        }
        
        return charArray;
    }
    
    private static void printCharArray(Character[] charArray) {
        System.out.print("[");
        
        for(Character ch : charArray) {
            System.out.print(ch + ",");
        }
        System.out.println("]");
    }
    
    public static void main(String args[]) {
        String str = "Hello World";

        Character[] charArray = toCharArray(str);
        printCharArray(charArray);
    }
}

Output

[H,e,l,l,o, ,W,o,r,l,d,]

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