Passing function as a parameter in java

Question

I\'m getting familiar with Android framework and Java and wanted to create a general \"NetworkHelper\" class which would handle most of the networking code enabling me to ju

Answer 1

Yes, an interface is the best way IMHO. For example, GWT uses the command pattern with an interface like this:

public interface Command{
    void execute();
}

In this way, you can pass function from a method to another

public void foo(Command cmd){
  ...
  cmd.execute();
}

public void bar(){
  foo(new Command(){
     void execute(){
        //do something
     }
  });
}