Field: getInt(Object obj)
import java.lang.reflect.Field; public class Main { public static void main(String[] args) throws Exception { Object clazz = new TestClass(); String lookingForValue = "firstValue"; Field field = clazz.getClass().getField(lookingForValue); Class clazzType = field.getType(); if (clazzType.toString().equals("double")) System.out.println(field.getDouble(clazz)); else if (clazzType.toString().equals("int")) System.out.println(field.getInt(clazz)); //System.out.println(field.get(clazz)); } } class TestClass { public double firstValue = 3.14; }