https://www.v2ex.com/t/694454

AA.java

import java.lang.reflect.*;

public class AA{
	public static final String FOO = "foo";
	public static final String BAR = "bar";
	
	public static void main(String[] args){
		new AA().printAllProps(AA.class);
	}
	
	public void printAllProps(Class c){
		Field[] fields = null;
		
		fields = c.getDeclaredFields();
		for(Field field : fields){
			try{
				System.out.println(String.format("name: %s value: %s", field.getName(), String.valueOf(field.get(c))));
			}
			catch(IllegalAccessException e){
				e.printStackTrace();
			}
		}
	}
}