JAVA开发 for(Person person :persons)是什么意思?List persons;for(Person person :persons)这句for语句怎么解释?
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![JAVA开发 for(Person person :persons)是什么意思?List persons;for(Person person :persons)这句for语句怎么解释?](/uploads/image/z/13534475-59-5.jpg?t=JAVA%E5%BC%80%E5%8F%91+for%EF%BC%88Person+person+%EF%BC%9Apersons%EF%BC%89%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%3FList+persons%3Bfor%EF%BC%88Person+person+%EF%BC%9Apersons%EF%BC%89%E8%BF%99%E5%8F%A5for%E8%AF%AD%E5%8F%A5%E6%80%8E%E4%B9%88%E8%A7%A3%E9%87%8A%3F)
JAVA开发 for(Person person :persons)是什么意思?List persons;for(Person person :persons)这句for语句怎么解释?
JAVA开发 for(Person person :persons)是什么意思?
List persons;
for(Person person :persons)
这句for语句怎么解释?
JAVA开发 for(Person person :persons)是什么意思?List persons;for(Person person :persons)这句for语句怎么解释?
这就是个for循环,是jdk5新的for循环语法
persons是个Person 类的list,在for循环中,每次循环拿出persons中的一个Person 赋值给person