Java Reflection Field Set setField(Object obj, String fieldName, Object value)

Description

set Field

License

Open Source License

Declaration

public static void setField(Object obj, String fieldName, Object value)
            throws NoSuchFieldException, IllegalArgumentException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 *     Copyright (C) 2017, 2018 wysohn/*from ww w .  j ava  2 s  . c o m*/
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/

import java.lang.reflect.Field;

public class Main {
    public static void setField(Object obj, String fieldName, Object value)
            throws NoSuchFieldException, IllegalArgumentException {
        Class<?> clazz = obj.getClass();

        Field field = clazz.getDeclaredField(fieldName);
        field.setAccessible(true);

        try {
            field.set(obj, value);
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

Related

1. setField(Object obj, Object value, String fieldName)
2. setField(Object obj, Object value, String fieldName)
3. setField(Object obj, String fieldName, Object fieldValue)
4. setField(Object obj, String fieldName, Object val)
5. setField(Object obj, String fieldname, Object value)
6. setField(Object obj, String fieldName, Object value)
7. setField(Object obj, String fieldName, Object value, Class valueClass)
8. setField(Object obj, String name, Object value)
9. setField(Object obj, String name, Object value)