Bah.java

import java.util.List;
import java.util.ArrayList;

public class Bah {

    public static void main(String[] args) {
        final Foo foo = new Foo();
        final List<FunctionPointer<Object>> fps = new ArrayList<FunctionPointer<Object>>();
        fps.add(new FunctionPointer<String>() {
                    @Override
                    public String call() {
                        return foo.getName();
                    }
                });
        fps.add(new FunctionPointer<Integer>() {
                    @Override
                    public Integer call() {
                        return foo.getAge();
                    }
                });
        for (FunctionPointer<Object> fp : fps) {
            System.out.println(fp.call());
        }
        
        // The Enum Way
        List<FooEnum> enums = new ArrayList<FooEnum>();
        enums.add(FooEnum.NAME);
        enums.add(FooEnum.AGE);
        for (FooEnum e : enums) {
            System.out.println(e.call());
        }
    }
}

Foo.java

public class Foo {

    public String getName() { return "Name"; }
    public Integer getAge() { return 28; }
}

FooEnum.java

public enum FooEnum {
    NAME() {
        @Override
        public Object call(Foo foo) {
            return foo.getName();
        }
    }
    AGE() {
        @Override
        public Object call(Foo foo) {
            return foo.getAge();
        }
    }
    public abstract Object call(Foo foo);
}

FunctionPointer.java

public interface FunctionPointer<T> {
    T call();
}