StringWriter append(CharSequence) in Java

append(CharSequence): This method is available in the java.io.StringWriter class of Java.

Syntax:

StringWriter java.io.StringWriter.append(CharSequence csq)

This method takes one argument. This method appends the specified character sequence to this writer.

Parameters: One parameter is required for this method.

csq: The character sequence to append. If csq is null, then the four characters "null" are appended to this writer.

Returns: This writer.

Exceptions: NA

Approach

Java

import java.io.StringWriter;

public class StringWriterappend2 {
    public static void main(String[] args) {

        StringWriter stringWriter = new StringWriter();

        CharSequence csq = new String("HELLO JAVA");
        stringWriter.append(csq);

        System.out.println("Successfully appended");
    }
}

Output:

Successfully appended

Some other methods of StringWriter

append(char): This method appends the specified character to this writer.

append(CharSequence): This method appends the specified character sequence to this writer.

append(CharSequence, int, int): This method appends a subsequence of the specified character sequence to this writer.

close(): This method closes a StringWriter.

flush(): This method flushes the stream.

getBuffer(): This method returns the string buffer itself.

StringWriter(): This method creates a new string writer using the default initial string buffer size.

StringWriter(int): This method creates a new string writer using the specified initial string buffer size.

toString(): This method returns the buffer's current value as a string.

write(int): This method writes a single character.

write(String): This method writes a string.

write(char[], int, int): This method writes a portion of an array of characters.

write(String, int, int): This method writes a portion of a string.