使用java注解时不写属性名会给哪个属性赋值

Question

比如
public @interface RequestMapping {
String name() default "";
.
.
.

}
@RequestMapping(name="xxx",value="xxx")可以理解但是@RequestMapping("/")则不理解到底给谁赋值了，是默认第一个？

Answer 1

默认是给名为"value"的属性赋值。

https://docs.oracle.com/javase/tutorial/java/annotations/basics.html

If there is just one element named value, then the name can be omitted.