Method usage

src/main/java/com/beust/jcommander/JCommander.java:1078–1082

Prints the usage on #getConsole() using the underlying #usageFormatter.

()

     * Prints the usage on {@link #getConsole()} using the underlying {@link #usageFormatter}.
     */
    public void usage() {
        StringBuilder sb = new StringBuilder();
        usageFormatter.usage(sb);
        getConsole().print(sb);
    }
    
    /**
     * Display the usage for this command.