rockjank的博客

package class1; class Person { private String name ; private int age ; private Book book ; public Person(String name , int age){ this.setName(name) ; this.setAge(age) ; } public void setName(

package class1; class PersonD implements Cloneable { private String name = null ; public PersonD(String name) { this.name = name ; } public void setName(String name) { this.name = name ; } pu

package class1; class BinaryTree { class Node { private Comparable data ; private Node left ; private Node right ; public void addNode(Node newNode) { if(newNode.data.compareTo(this.data) if

package class1; import java.util.Observable; import java.util.Observer; class House extends Observable { private float price ; public House(float price) { this.price = price ; } public float g

package class1; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Timer; import java.util.TimerTask;  class MyTask extends TimerTask { public void run() { SimpleDateFor

package class1; import java.io.File; import java.io.FileWriter; import java.io.Writer; public class WriterDemo01 { public static void main(String[] args) throws Exception{ File f = new File("d:"

package class1; import java.io.File; import java.io.FileReader; import java.io.Reader; public class ReaderDemo01 { public static void main(String[] args) throws Exception{ File f = new File("d:"

package class1; import java.io.File; import java.io.FileInputStream; import java.io.InputStream ; public class InputStreamDemo05 { public static void main(String[] args) throws Exception{ File f

package class1; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; public class OutputStreamDemo03 { public static void main(String[] args) throws Exception { Fil

package class1; import java.io.IOException ; import java.io.PipedInputStream; import java.io.PipedOutputStream; class Send implements Runnable { private PipedOutputStream pos = null; public Send

package class1; import java.io.IOException; import java.io.OutputStream; public class SystemDemo01 { public static void main(String args[]){ OutputStream out = System.out;//屏幕输出、如果是FileOutputStre

package class1; import java.io.File ; import java.io.FileOutputStream ; import java.io.PrintStream ; public class PrintDemo0 { public static void main(String args[]) throws Exception { PrintStre

package class1; import java.io.BufferedReader ; import java.io.IOException ; import java.io.InputStreamReader; public class BuffereReaderDemo01 { public static void main(String args[]) { Buffere

//方式一 package class1; import java.util.Scanner; public class ScannerDemo01 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("输入数据："); String

package class1; import java.io.DataOutputStream; import java.io.File; import java.io.FileOutputStream; public class DataOutputStream1 { public static void main(String args []) throws Exception{

package class1; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.io.SequenceInputStream;

1、JAVA_HOME=java安装目录  2、CLASSPATH=.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar 3、PATH=%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;

package class1; import java.text.DecimalFormat; class FormatDemo{ public void format1(String pattern,double value) { DecimalFormat df = null ; df = new DecimalFormat(pattern) ; String str = df.f

package class1; import java.text.SimpleDateFormat; import java.util.Date; class DateTime { private SimpleDateFormat sdf = null ; public String getDate() { this.sdf = new SimpleDateFormat("yyy-MM

package class1; import java.text.SimpleDateFormat; import java.util.Date ; public class StringDateDemo { public static void main(String[] args) throws Exception{ String strDate = "2008-10-19 10;1

package class1; class Person { private String name ; private int age ; private Book book ; private Person child ; public Person(String name , int age){ this.setName(name) ; this.setAge(age) ;

package class1; class PersonA { private String name ; private int age ; public PersonA(String name , int age) { this.setName(name) ; this.setAge(age) ; } public boolean compare(PersonA p) { P

package class1; //单例设计模式 class Singleton { private static Singleton instance = new Singleton(); private Singleton(){} public void print() { System.out.println("Hello World!!!"); } public stati

package class1; class Link { class Node { private String data ; private Node next ; public Node (String data) { this.data = data ; } public void add(Node newNode) { if(this.next == null) { t

package class1; import java.io.File; import java.io.FileOutputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; public class SerDemo01 { public static void main(String

package class1; interface USB { public void start() ; public void stop() ; } class Computer { public static void plugin(USB usb){ usb.start() ; System.out.println("====usb设备工作======"); usb.st

package class1; interface Fruit { public void eat() ; } class Apple implements Fruit { public void eat() { System.out.println("**吃苹果."); } } class Orange implements Fruit { public void eat()

package class1; interface Network { public void browse() ; } class Real implements Network { public void browse() { System.out.println("上网济览信息"); } } class Proxy implements Network{ private

package class1; interface Window { public void open() ; public void close() ; public void activated() ; public void iconified() ; public void deiconified() ; } abstract class WindowAdapter imp

package class1; interface Pet { public String getName() ; public String getColor() ; public int getAge() ; } class Cat implements Pet { private String name ; private String color ; private in

package class1; interface AA{ public void printInfo() ; } class X { public void fun1() { this.fun2(new AA(){ public void printInfo() { System.out.println("Helo world!!!"); } }); } public v

package class1; class Math { public int div(int i ,int j) throws Exception { System.out.println("====计算开始====="); int temp = 0 ; try { temp = i / j ; } catch (Exception e ) { throw e ; } fina

package class1; class MyException extends Exception { public MyException(String msg) { super(msg) ; }  } public class DefaultException { public static void main(String args[]) { try { throw n

package class1; interface Info1 {} class Contact implements Info1 { private String address ; private String telphone ; private String zipcode ; public Contact(String address,String telphone,Stri

package class1; import java.text.DateFormat; import java.util.Date; public class DateDemo03 { public static void main(String[] args) { DateFormat df1 = null ; DateFormat df2 = null; df1 = DateF

package class1; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class DateDemo05 { public static void main(String[] args) { String strDate = "20