浅谈java7增强的try语句关闭资源

java7增强的try语句关闭资源

传统的关闭资源方式

import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;class Student implements Serializable {  private String name;  public Student(String name) {    this.name = name;  }}public class test2 {  public static void main(String[] args) throws Exception {    Student s = new Student("WJY");    Student s2 = null;    ObjectOutputStream oos = null;    ObjectInputStream ois = null;    try {      //创建对象输出流      oos = new ObjectOutputStream(new FileOutputStream("b.bin"));      //创建对象输入流      ois = new ObjectInputStream(new FileInputStream("b.bin"));      //序列化java对象      oos.writeObject(s);      oos.flush();      //反序列化java对象      s2 = (Student) ois.readObject();    } finally { //使用finally块回收资源      if (oos != null) {        try {          oos.close();        } catch (Exception ex) {          ex.printStackTrace();        }      }      if (ois != null) {        try {          ois.close();        } catch (Exception ex) {          ex.printStackTrace();        }      }    }  }}