Java Reference
In-Depth Information
return power;
}
public int volumeUp(int increment) {
if(!power) // If the power is off
return 0; // Nothing works
// Set volume - must not be greater than the maximum
volume = volume+increment > MAX
_
VOLUME ? MAX
_
VOLUME : volume+increment;
System.out.println(make + " VCR volume level: "+ volume);
return volume;
}
public int volumeDown(int decrement) {
if(!power) // If the power is off
return 0; // Nothing works
// Set volume - must not be less than the minimum
volume = volume-decrement < MIN
_
VOLUME ? MIN
_
VOLUME : volume-decrement;
System.out.println(make + " VCR volume level: "+ volume);
return volume;
}
public void mute() {
if(!power) // If the power is off
return; // Nothing works
volume = MIN
_
VOLUME;
System.out.println(make + " VCR volume level: "+ volume);
}
public int setChannel(int newChannel) {
if(!power) // If the power is off
return 0; // Nothing works
// Channel must be from MIN
_
CHANNEL to MAX
_
CHANNEL
if(newChannel>=MIN
_
CHANNEL && newChannel<=MAX
_
CHANNEL)
channel = newChannel;
System.out.println(make + " VCR tuned to channel: "+ channel);
return channel;
}
public int channelUp() {
if(!power) // If the power is off
return 0; // Nothing works
// Wrap channel up to MIN
_
CHANNEL when MAX
_
CHANNEL is reached
channel = channel<MAX
_
CHANNEL ? ++channel : MIN
_
CHANNEL;
System.out.println(make + " VCR tuned to channel: "+ channel);
return channel;
}
public int channelDown() {
