1. Explain what the JVM does when it encounters a synchronized directive. Hint: consider carefully what is synchronized. 2. What happens when the JVM encounters a wait () call? 3. Describe the environ (a) What is multithreading in JAVA? (b) How can multiple threads run simult...
In language C, suppose that p has been declared as follows: char *p = "abc"; Which of the following function calls are legal? Show the output produced by each legal call, and explain why the others a What is the functional...
JAXB是Java Architecture for XML Binding的缩写,可以将一个Java对象转变成为XML格式,反之亦然. 我们把对象与关系数据库之间的映射称为ORM,其实也可以把对象与XML之间的映射称为OXM(Object XML Mapping).原来JAXB是Java EE的一部分,在JDK1.6中,SUN将其放到了Java SE中,这也是SUN的一贯做法.JDK1.6中自带的这个JAXB...
JAXB是Java Architecture for XML Binding的缩写,可以将一个Java对象转变成为XML格式,反之亦然. 我们把对象与关系数据库之间的映射称为ORM,其实也可以把对象与XML之间的映射称为OXM(Object XML Mapping).原来JAXB是Java EE的一部分,在JDK1.6中,SUN将其放到了Java SE中,这也是SUN的一贯做法.JDK1.6中自带的这个...
ZooKeeper's architecture supports high availability through redundant services. Clients can thus ask another ZooKeeper leader if the first fails to answer. ZooKeeper nodes store their data in a hierarchical namespace, much like a file system or a tree data structu...
rather than to native machine level instructions and JVM executes Java bytecode on. Any machine on which it is installed. This architecture means that Java programs are faster than program or scripts written in purely interpreted languages but slower than C and C++ programs that compiled to native...
ZooKeeper's architecture supports high availability through redundant services. Clients can thus ask another ZooKeeper leader if the first fails to answer. ZooKeeper nodes store their data in a hierarchical namespace, much like a file system or a tree data structure. ...