package com.logicbig.example.clazz;
import java.lang.reflect.Field;
import java.util.Arrays;
public class GetDeclaredFieldsExample {
private int i;
private String s;
public static void main(String... args) {
Class<GetDeclaredFieldExample> c = GetDeclaredFieldExample.class;
Field[] fields = c.getDeclaredFields();
Arrays.stream(fields).forEach(System.out::println);
}
}
Output
private int com.logicbig.example.clazz.GetDeclaredFieldExample.i
public java.lang.String com.logicbig.example.clazz.GetDeclaredFieldExample.s
Inner class has an automatic field pointing to the outer class instance (implicitly added during compilation).
See Also:
Implicit Outer Class Parameter Tutorial package com.logicbig.example.clazz;
import java.lang.reflect.Field;
public class GetDeclaredFieldsExample2 {
public static void main(String... args) {
Class<MyClass.MyInnerClass> c = MyClass.MyInnerClass.class;
for (Field field : c.getDeclaredFields()) {
System.out.printf("Field name: %s, type: %s%n",
field.getName(), field.getType().getSimpleName());
}
}
private static class MyClass {
private class MyInnerClass {
int i;
}
}
}
Output
Field name: i, type: int
Field name: this$0, type: MyClass
