find Field from class by name using reflection - Java Reflection

Java examples for Reflection:Field

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Description

find Field from class by name using reflection

Demo Code


//package com.java2s;
import java.lang.reflect.Field;

public class Main {
    public static void main(String[] argv) throws Exception {
        Class clazz = String.class;
        String name = "java2s.com";
        System.out.println(findField(clazz, name));
    }/*from   w  w  w  .j av  a2 s.c  om*/

    public static Field findField(Class<?> clazz, String name) {
        for (Class<?> c = clazz; c != null && !Object.class.equals(c); c = c
                .getSuperclass()) {
            Field[] fields = c.getDeclaredFields();
            for (Field field : fields) {
                if (name.equals(field.getName()))
                    return field;
            }
        }
        return null;
    }
}

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