Reflection - Beginning Java 8 Language Features - page 86

// Print declared fields
ArrayList<String> fieldsDesciption = getDeclaredFieldsList(c);
System.out.println("Declared Fields for " + c.getName());
for (String desc : fieldsDesciption) {
System.out.println(desc);
}
// Get the accessible public fields
fieldsDesciption = getFieldsList(c);
System.out.println("\nAccessible Fields for " + c.getName());
for (String desc : fieldsDesciption) {
System.out.println(desc);
}
}
public static ArrayList<String> getFieldsList(Class c) {
Field[] fields = c.getFields();
ArrayList<String> fieldsList = getFieldsDesciption(fields);
return fieldsList;
}
public static ArrayList<String> getDeclaredFieldsList(Class c) {
Field[] fields = c.getDeclaredFields();
ArrayList<String> fieldsList = getFieldsDesciption(fields);
return fieldsList;
}
public static ArrayList<String> getFieldsDesciption(Field[] fields) {
ArrayList<String> fieldList = new ArrayList<>();
for (Field f : fields) {
// Get the modifiers for the field
int mod = f.getModifiers() & Modifier.fieldModifiers();
String modifiers = Modifier.toString(mod);
// Get the simple name of the field type
Class<?> type = f.getType();
String typeName = type.getSimpleName();
// Get the name of the field
String fieldName = f.getName();
fieldList.add(modifiers + " " + typeName + " " + fieldName);
}
return fieldList;
}
}