摘要：1 import java.io.IOException; 2 import java.io.PipedInputStream; 3 import java.io.PipedOutputStream; 4 5 public class PipedInputStreamDemo { 6 public static void main(String[] args) throws IOException{ 7 PipedInputStream pis =new PipedInputStream(); 8 PipedOutputStream pos =ne... 阅读全文

摘要：1 import java.io.FileInputStream; 2 import java.io.FileNotFoundException; 3 import java.io.FileOutputStream; 4 import java.io.IOException; 5 import java.io.ObjectInputStream; 6 import java.io.ObjectOutputStream; 7 8 import reflect.Student; 9 10 public class ObjectInputStreamDemo {11 public sta... 阅读全文

摘要：1 import java.io.IOException; 2 import java.io.SequenceInputStream; 3 import java.util.Enumeration; 4 import java.util.Vector; 5 6 public class SequenceInputStreamDemo { 7 public static void main(String[] args) throws IOException{ 8 Vector<FileInputStream> v = new Vector<FileInputStrea... 阅读全文

摘要：字节打印流PrintStream字符打印流PrintWriter 阅读全文

摘要：单一类：（静态成员变量&静态初始化块)<(成员变量&初始化块)<构造函数public class 对象初始化顺序 { public static void main(String[] args){ Person p = new Person(); }}class Person{ public static String staticfield ="静态成员变量"; public String field ="成员变量"; static { System.out.println(staticfield); System... 阅读全文