Television Assignment

public class Television
{
    private String brand;
    private String model;
    private int volume;
    private int channel;
    private String childLockCode;
    private boolean isChildLockSet;
    
    public Television(String brand, String model)
    {
        this.brand = brand;
        this.model = model;
        this.volume = 50;
        this.channel = 1;
        this.childLockCode = "";
        this.isChildLockSet = false;
    }
    
    public void increaseVolume()
    {
        if(volume < 100)
        {
            volume++;
        }			
    }
    
    public void decreaseVolume()
    {
        if(volume > 0)
        {
            volume--;
        }
    }
    
    public void increaseChannel()
    {
        if(channel < 75)
        {
            channel++;
        }
    }
    
    public void decreaseChannel()
    {
        if(channel > 0)
        {
            channel--;
        }
    }
    
    public String getBrand()
    {
        return this.brand;
    }
    
    public String getModel()
    {
        return this.model;
    }
    
    public int getChannel()
    {
        return this.channel;
    }
    
    public String getChildLockCode()
    {
        return this.childLockCode;
    }
    
    public boolean getIsChildLockSet()
    {
        return this.isChildLockSet;
    }
    
    public void setBrand(String brand)
    {
        this.brand = brand;
    }
    
    public void setModel(String model)
    {
        this.model = model;
    }
    
    public void setChildLockCode(String childLockCode)
    {
        this.childLockCode = childLockCode;
    }
    
    public void setIsChildLockSet(boolean isChildLockSet)
    {
        this.isChildLockSet = isChildLockSet;
    }
    
    public int setVolume(int volume)
    {
        this.volume = volume;
        return this.volume;
    }
    
    public int setChannel(int channel)
    {
        this.channel = channel;
        return this.channel;
    }
    
    public void enableChildLock(String childLockCode)
    {
        if (this.childLockCode.equals(childLockCode))
        {
            this.isChildLockSet = true;
        }
    }
    
    public void disableChildLock(String childLockCode)
    {
        if (this.childLockCode.equals(childLockCode))
        {
            this.isChildLockSet = false;
        }
    }
}