我有一个简单的问题.有没有办法(使用我想的反射)来迭代一个类的所有静态值?
例如
class Any {
static int one = 1;
static int two = 2;
static int three = 3;
public static void main( String [] args ) {
for( int i : magicMethod( Any.class ) ){
System.out.println( i );
}
}
}
产量
谢谢.
import java.util.*;
import java.lang.reflect.*;
class Any {
static int one = 1;
static int two = 2;
static int three = 3;
public static void main( String [] args ) {
for( int i : magicMethod( Any.class ) ){
System.out.println( i );
}
}
public static Integer[] magicMethod(Class<Any> c) {
List<Integer> list = new ArrayList<Integer>();
Field[] fields = c.getDeclaredFields();
for (Field field : fields) {
try {
if (field.getType().equals(int.class) && Modifier.isStatic(field.getModifiers())) {
list.add(field.getInt(null));
}
}
catch (IllegalAccessException e) {
// Handle exception here
}
}
return list.toArray(new Integer[list.size()]);
}
}
翻译自:https://stackoverflow.com/questions/271109/iterate-static-int-values-in-java