| 1. | By default , the 1 . 4 . 1 jdk divides the heap into two sections , a young generation and an old generation . actually , there is also a third section , the permanent space , which is used for storing loaded class and method objects 在默认情况下, jdk 1 . 4 . 1将堆分为两部分,一个年轻的代和一个老的代(实际上,还有第三部分永久空间,它用于存储装载的类和方法对象) 。 |