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Class Jaja.NullPort 

java.lang.Object
   |
   +----Jaja.Jaja
           |
           +----Jaja.Value
                   |
                   +----Jaja.Port
                           |
                           +----Jaja.NullPort
public class NullPort
extends Port
implements InputPortAble, OutputPortAble
This class provides a Port that acts as /dev/null in Posix, that is, it swallows any string it is asked to print (but does not print it) and if asked to provide a string, it returns an EOF. It is used in Worlds without input/output ports.

Constructor Index

o NullPort()

Method Index

o close()
o flush()
o newline()
o print(char)
o print(double)
o print(int)
o print(String)
o print(Value)
o read()
o read_char()
o read_file()
o write(Value)

Constructors

o NullPort 
 public NullPort()

Methods

o close 
 public void close()
Overrides:
close in class Port
o read_file 
 public Value read_file()
o read 
 public Value read()
o read_char 
 public Value read_char()
o flush 
 public synchronized void flush()
o newline 
 public synchronized void newline()
o print 
 public void print(Value o)
o write 
 public void write(Value o)
o print 
 public synchronized void print(String s)
o print 
 public synchronized void print(char c)
o print 
 public synchronized void print(double d)
o print 
 public synchronized void print(int i)

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