Package java.io

Class Console

  • All Implemented Interfaces:
    Flushable
    public final class Console
extends Object
implements Flushable
    Provides access to the console, if available. The system-wide instance can be accessed via System.console().
    Since:
    1.6

    • Method Detail

      • getConsole

        public static Console getConsole()
        Secret accessor for System.console.

      • flush

        public void flush()
        Description copied from interface: Flushable
        Flushes the object by writing out any buffered data to the underlying output.
        Specified by:
        flush in interface Flushable

      • format

        public Console format​(String format,
                      Object... args)
        Writes a formatted string to the console using the specified format string and arguments.
        Parameters:
        format - the format string (see Formatter.format(java.lang.String, java.lang.Object...))
        args - the list of arguments passed to the formatter. If there are more arguments than required by format, additional arguments are ignored.
        Returns:
        the console instance.

      • printf

        public Console printf​(String format,
                      Object... args)
        Equivalent to format(format, args).

      • reader

        public Reader reader()
        Returns the Reader associated with this console.

      • readLine

        public String readLine()
        Reads a line from the console.
        Returns:
        the line, or null at EOF.

      • readLine

        public String readLine​(String format,
                       Object... args)
        Reads a line from this console, using the specified prompt. The prompt is given as a format string and optional arguments. Note that this can be a source of errors: if it is possible that your prompt contains % characters, you must use the format string "%s" and pass the actual prompt as a parameter.
        Parameters:
        format - the format string (see Formatter.format(java.lang.String, java.lang.Object...))
        args - the list of arguments passed to the formatter. If there are more arguments than required by format, additional arguments are ignored.
        Returns:
        the line, or null at EOF.

      • readPassword

        public char[] readPassword()
        This method is unimplemented on Android.

      • readPassword

        public char[] readPassword​(String format,
                           Object... args)
        This method is unimplemented on Android.

      • writer

        public PrintWriter writer()
        Returns the Writer associated with this console.