Question

How to convert byte array to string in Java

Answer 1

import java.nio.charset.StandardCharsets;

public class MyClass {
    public static void main(String args[]) {
        byte[] bytes = "java".getBytes();
        
        String s = new String(bytes, StandardCharsets.UTF_8);
        
        System.out.println(s);
    }
}
 
 
 
/*
run:
 
java
 
*/

 

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Answer 2

import java.nio.charset.StandardCharsets;

public class MyClass {
    public static void main(String args[]) {
        byte[] bytes = {0x4A, 0x61, 0x76, 0x61};  

        String str = new String(bytes, StandardCharsets.US_ASCII);
        
        System.out.println(str);
    }
}
 
 
 
 
/*
run:

Java

*/

 

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Answer 3

import java.nio.charset.Charset;

public class MyClass {
    public static void main(String args[]) {
        byte[] bytes = {0x4A, 0x61, 0x76, 0x61};  
        
        Charset utf8 = Charset.forName("UTF-8");

        String str = new String(bytes, utf8);
 
        System.out.println(str);
    }
}
  
  
  
  
/*
run:
 
Java
 
*/

 

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