Java String getBytes() Method — Java

Convert a string into a byte array:

java

String myStr = "Hello";
byte[] result = myStr.getBytes();
System.out.println(result[0]);

Definition and Usage

The getBytes() method converts a string into an array of bytes.

The encoding of the bytes depends on the charset argument.

If the charset argument is not provided then the bytes will be encoded using the system's default character set.

One of the following:

java

public byte[] getBytes(Charset charset)

java

public byte[] getBytes()

Parameter	Description
charset	Optional. A Charset object specifying which character set should be used when encoding the string as bytes.

Returns:	A byte array representing the bytes of the string with a specific encoding.
Java version:	Any. charset parameter added in version 1.6.

Convert a string into a byte array:

java

String myStr = "Hello";
byte[] result = myStr.getBytes();
System.out.println(result[0]);

The getBytes() method converts a string into an array of bytes.

The encoding of the bytes depends on the charset argument.

If the charset argument is not provided then the bytes will be encoded using the system's default character set.

One of the following:

java

public byte[] getBytes(Charset charset)

java

public byte[] getBytes()

Parameter	Description
charset	Optional. A Charset object specifying which character set should be used when encoding the string as bytes.

Returns:	A byte array representing the bytes of the string with a specific encoding.
Java version:	Any. charset parameter added in version 1.6.