Problem with using 3-interfaces

helo sir,
Suppose tat we use 3 different interfaces to print 3 statements,how to implement all tat in a single class. i get error wen i tried implementing it.. i am attaching the code that i tried out plz do help wth it.

CODE:


public interface nam
{
public void name();
}


public interface qual
{
public void qual();
}


public interface coll
{
public void coll();
}



class intrf implements nam,qual,coll
{
String name;
String qualif;
String coll;

public void nam(String x)
{
name=x;
System.out.println("My Name is:" name);
}
public void qual(String y)
{
qualif=y;
System.out.println("My Qualification is:" qualif);
}
public void coll(String z)
{
coll=z;
System.out.println("My College is:" coll);
System.out.println("I am a Java Programmer");
}
public static void main(String args[])
{
intrf in=new intrf();
in.nam("Saran");
in.qual("B.Tech");
in.coll("Anna Univ");
}

}

*****

please help me out in this..

ya thank yu.. its clear nw.

i tried modifying it too.. i get an error stating "the interface and method is nt abstract".. y is tat??

import java.io.*;
interface nam
{
abstract void name();
}
interface qul
{
abstract void qual();
}
interface col
{
abstract void coll();
}

class Intrf implements nam,qul,col
{
public void name()
{

System.out.println("My Name is");
}
public void qual()
{

System.out.println("My Qualification is:");
}
public void coll()
{
System.out.println("I am a Java Programmer");
}
public static void main(String args[])
{
Intrf in=new Intrf();
in.name();
in.qual();
in.coll();
}
}
see in above example simply i use 3 different interfaces to print 3 statements in a single class now you can modify according to you and also can find mistake done by you

Thank yu Rahul

Thank yu Nitoo..

Correct your Method name first it should be name not nam

Hi,

When you override methods in interface, you need to make sure the signature of the interface methods and the same return type are maintained.