Java开发问题

In Java, when does an object become unreachable?(在 Java 中,对象何时变得不可访问?)
Java garbage collector - When does it collect?(Java 垃圾收集器 - 它什么时候收集?)
When will a string be garbage collected in java(什么时候在java中对字符串进行垃圾收集)
How to free memory in Java?(如何在 Java 中释放内存?)
Java Thread Garbage collected or not(Java 线程垃圾是否收集)
Is there a destructor for Java?(Java有析构函数吗?)
Can java finalize an object when it is still in scope?(java可以在对象仍在范围内时对其进行最终确定吗?)
How does Java Garbage Collection work with Circular References?(Java 垃圾收集如何与循环引用一起使用?)
How to force garbage collection in Java?(如何在 Java 中强制进行垃圾收集?)
When is the finalize() method called in Java?(Java 什么时候调用 finalize() 方法?)
Unable to get new window handle with Selenium WebDriver in Java on IE(无法在 IE 上使用 Java 中的 Selenium WebDriver 获取新窗口句柄)
How to perform multiple actions and click on the link with text as Member Login on the url http://www.spicejet.com/ through selenium-webdriver(如何执行多个操作并通过 selenium-webdriver 在 URL http://www.spicejet.com/上单击带有文本的链接作为