Java getBytes() Method
Java String ClassThe getBytes() method has two forms:
getBytes(String charsetName):Encodes a string into a sequence of bytes using the specified charset, and stores the result into a new byte array.
getBytes(): Encodes a string into a sequence of bytes using the platform's default charset, and stores the result into a new byte array.
Syntax
public byte[] getBytes(String charsetName) throws UnsupportedEncodingException 或 public byte[] getBytes()
Parameters
charsetName-- The name of a supported charset.
Return Value
Returns a byte array.
Example
import java.io.*;
public class Test {
public static void main(String args[]) {
String Str1 = new String("example");
try{
byte[] Str2 = Str1.getBytes();
System.out.println("Return value:" + Str2 );
Str2 = Str1.getBytes( "UTF-8" );
System.out.println("Return value:" + Str2 );
Str2 = Str1.getBytes( "ISO-8859-1" );
System.out.println("Return value:" + Str2 );
} catch ( UnsupportedEncodingException e){
System.out.println("Unsupported charset");
}
}
}
The output of the above program is:
返回值：[B@7852e922 返回值：[B@4e25154f 返回值：[B@70dea4e
Other extensions