var_dump() for java

import java.lang.reflect.*;
....
//o Object..
Field[] fields = o.getClass().getDeclaredFields();
for (int i=; i<fields.length; i++) {
    try {
        System.out.println(fields[i].getName() + " - " + fields[i].get(o));
    } catch (java.lang.IllegalAccessException e) {
        System.out.println(e); 
    }
}