My first java external - help please

I don't know what I was doing wrong, but I found a solution:
to open the .java file again in the compiler window, and recompile it again. It's an annoying solution, but it's one!
I suspect that the problem was due to duplicated java and class files that were creating conflict...but I'm not sure.

I already made the java code that I wanted. I had the help of a friend and a teacher. And the precious tutorials, of course!
Here it is (and it works!), with some newbie comments:

Quote:
import com.cycling74.max.*;

public class comutador extends MaxObject {
                                                    //declare variables
    private int valor=0;                            //valor it's the values of the 1st inlet
    private int saida=0;                            //saida its the respective outlet that outputs the value
    private int NUM;                                //[mxj comutador~ NUM]

    public comutador() {                            //declare number of inlets and outlets
        NUM=2;                                        //default number of outlets
        declareInlets(new int[]{DataTypes.INT,DataTypes.INT});
        declareOutlets(new int[]{DataTypes.INT,DataTypes.INT});        
    }

    public comutador(int n) {                        //declare number of outlets - [mxj comutador~ n]
        if(n>=2)NUM=n;                                //if NUM ir greater than 2, changes to the number that the user gives
        else NUM=2;                                    //if NUM is smaller than 2, NUM is 2
        declareInlets(new int[]{DataTypes.INT,DataTypes.INT});//declare two inlets
        int k[]=new int[NUM];                        //vector that defines the number of outlets
        for(int i=0;i
        declareOutlets(k);                            //declare "k" outlets
    }

    public void inlet(int i) {                        //comutador - switcher
        if (getInlet() == 0) valor=i;                //i is the value received by the 1st inlet ("getInlet() == 0")
        if (getInlet() == 1) saida=i%NUM;            
        outlet(saida,valor);                        //saida= respective outlet that outputs the values (valor) received by the 1st inlet
    }    
}

Compile the java code with the quickie method (explained in Cycling '74/Max 5.0/java-doc/tutorial/html/quickie.html), and after that create a new object with this text inside [mxj comutador X] where X is the number of outlet you want the object to have. The 1st inlet accepts the values, the 2nd inlet is to choose the outlet that outputs the values.

Actually, the code is not perfect. I don't know why, but it adds one additional outlet, instead of just the outlets defined by the user. If anyone knows how to solve this, please help me.

Now I'm trying to make a DSP relative, that accepts audio signal from an inlet, and outputs the signal by a chosen outlet from the user.

The code I've made has an error:Quote:
C:Tutoriaissrccomutadortil.java[ 4 ] comutadortil is not abstract and does not override abstract method dsp(com.cycling74.msp.MSPSignal[],com.cycling74.msp.MSPSignal[]) in com.cycling74.msp.MSPObject
public class comutadortil extends MSPObject
^
1 error
[ 28/Set/2009 12:37:21 ]
compilation of C:Tutoriaissrccomutadortil.java failed.

What does this error means? Help please!

Here's the code:Quote:
import com.cycling74.max.*;
import com.cycling74.msp.*;

public class comutadortil extends MSPObject
    {
    private int valor=0;
    private int saida=0;
    private int NUM;

    public comutadortil() {
        NUM=2;
        declareInlets(new int[]{SIGNAL,SIGNAL});
        declareOutlets(new int[]{SIGNAL,SIGNAL});
    }

    public comutadortil(int n) {
        if(n>=2)NUM=n;
        else NUM=2;
        declareInlets(new int[]{SIGNAL,SIGNAL});
        int k[]=new int[NUM];
        for(int i=0;i
        declareOutlets(k);
    }

    public void inlet(int i) {
        if (getInlet() == 0) valor=i;
        if (getInlet() == 1) saida=i%NUM;
        outlet(saida,valor);
    }    
}

Please help me to correct what I'm doing wrong. Cheers!