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How to convert String to byte array and vice versa in java?

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How to convert String to byte array and vice versa in java?
posted Jan 18, 2018 by Frank Lee

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1 Answer

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We can use String getBytes() method to convert String to byte array and we can use String constructor new String(byte[] arr) to convert byte array to String.

Here is a simple program showing how to convert String to byte array in java.

import java.util.Arrays;

public class StringToByteArray {

    public static void main(String[] args) {
        String str = "PANKAJ";
        byte[] byteArr = str.getBytes();
        // print the byte[] elements
        System.out.println("String to byte array: " + Arrays.toString(byteArr));
    }
}

Output:
String to byte array: [80, 65, 78, 75, 65, 74]

answer Jan 19, 2018 by Jon Deck
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