Sınıfları döndüren birkaç Yansıma API'si vardır, ancak bunlara yalnızca bir Sınıf doğrudan veya dolaylı olarak önceden alınmışsa erişilebilir.
Class.getSuperclass()
Returns the super class for the given class.
Class c = javax.swing.JButton.class.getSuperclass();
The super class of javax.swing.JButton is javax.swing.AbstractButton.
Class.getClasses()
Devralınan üyeler dahil sınıfın üyesi olan tüm ortak sınıfları, arabirimleri ve numaralandırmaları döndürür.
Class<?>[] c = Character.class.getClasses();
Karakter iki üye sınıfı Character.Subset ve
Character.UnicodeBlock içerir.
Class.getDeclaredClasses()
Returns all of the classes interfaces, and enums that are explicitly declared in this class.
Class<?>[] c = Character.class.getDeclaredClasses();
Character contains two public member classes Character.Subset and Character.UnicodeBlock and one private class
Character.CharacterCache.
Class.getDeclaringClass()
java.lang.reflect.Field.getDeclaringClass()
java.lang.reflect.Method.getDeclaringClass()
java.lang.reflect.Constructor.getDeclaringClass()
Returns the Class in which these members were declared. Anonymous Class Declarations will not have a declaring class but will
kapalı bir sınıfa sahip olmak.
import java.lang.reflect.Field;
Field f = System.class.getField("out");
Class c = f.getDeclaringClass();
The field out is declared in System.
public class MyClass {
static Object o = new Object() {
public void m() {}
};
static Class<c> = o.getClass().getEnclosingClass();
}
The declaring class of the anonymous class defined by o is null.
Class.getEnclosingClass()
Returns the immediately enclosing class of the class.
Class c = Thread.State.class().getEnclosingClass();
The enclosing class of the enum Thread.State is Thread.
public class MyClass {
static Object o = new Object() {
public void m() {}
};
static Class<c> = o.getClass().getEnclosingClass();
}
The anonymous class defined by o is enclosed by MyClass.