Get Generic Type for a field via reflection - Java Reflection

Java examples for Reflection:Field Get

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Description

Get Generic Type for a field via reflection

Demo Code

import java.lang.reflect.Field;
import java.util.List;

public class FieldSpy<T> {
    public boolean[][] b = { { false, false }, { true, true } };
    public String name = "Alice";
    public List<Integer> list;
    public T val;

    public static void main(String... args) {
        try {/*  w ww.j  ava 2 s.c  o m*/
            Class<?> c = Class.forName(args[0]);
            Field f = c.getField(args[1]);
            System.out.format("Type: %s%n", f.getType());
            System.out.format("GenericType: %s%n", f.getGenericType());

            // production code should handle these exceptions more gracefully
        } catch (ClassNotFoundException x) {
            x.printStackTrace();
        } catch (NoSuchFieldException x) {
            x.printStackTrace();
        }
    }
}

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 *
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 *     from this software without specific prior written permission.
 *
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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