CommandData

package me.pogostick29dev.economy29;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface CommandData {

    String getName();
    String getDescription();
    String getArgs();
}

// Annotating a class with @CommandData:
@CommandData(getName="Add", getDescription="Add money to balance.", getArgs="<player> <amount>")

// Getting information stored in @CommandData for a given class:
for (EcoCommand c : cmds) {
    CommandData data = c.getClass().getAnnotation(CommandData.class);
    sender.sendMessage("/eco " + data.getName() + " " + data.getArgs() + " - " + data.getDescription());
}