get Fields from a class - Java Reflection

Java examples for Reflection:Field Get

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Description

get Fields from a class

Demo Code

/*// w  ww .  jav  a 2  s  .  c o m
 * Copyright 2011 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main {
    public static void main(String[] argv) throws Exception {
        Class klass = String.class;
        System.out.println(getFields(klass));
    }

    public static List getFields(Class klass) {
        List fields = new ArrayList();
        while (!klass.equals(Object.class)) {
            fields.addAll(Arrays.asList(klass.getDeclaredFields()));
            klass = klass.getSuperclass();
        }
        return fields;
    }
}

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