JavaÖÐIOÁ÷µÄʹÓÃÀý×Ó
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.io.Serializable;
import java.io.StringReader;
import java.io.StringWriter;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
class Person implements Serializable{
int age;
String name;
transient String password;
public Person(int age, String name, String password) {
super();
this.age = age;
this.name = name;
this.password = password;
}
}
public class TestInputStream {
public static void Input(){
try {
FileInputStream fis=new FileInputStream("d:\\1\\1.txt");
int i=0;
/*while((i=fis.read())!=-1)
{
System.out.print((char)i);
}*/
byte[] bt=new byte[130];
fis.read(bt);
System.out.println(new String(bt,"GBK").trim());
fis.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
Ïà¹ØÎĵµ£º
Javaѧϰ´ÓÈëÃŵ½¾«Í¨
Ò»¡¢ JDK (Java Development Kit)
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......
Java: class , objects
1 Inheritance(¼Ì³Ð)µÄ¹Ø¼ü×Öextends
class MountainBike extends Bicycle {
}
µ«ÊDz»ÄܶàÖØ¼Ì³Ð¡£²»¹ý¿ÉÒÔͨ¹ýimplements¶à¸öinterfaceÀ´ÊµÏÖÀàËÆµÄ¶«Î÷
2 interface
interface Bicycle {
void changeCadence(int newValue); // wheel rev ......
²åÈëÅÅÐòµÄ¹¤×÷ÔÀíÊÇͨ¹ý¹¹½¨ÓÐÐòÐòÁУ¬¶ÔÓÚδÅÅÐòÊý¾Ý£¬ÔÚÒÑÅÅÐòÐòÁÐÖдӺóÏòǰɨÃ裬ÕÒµ½ÏàӦλÖò¢²åÈë¡£Æä¾ßÌå²½Öè²Î¼û´úÂë¼°×¢ÊÍ¡£
view plaincopy to clipboardprint?
/**
* ²åÈëÅÅÐò<br/>
* <ul>
* <li>´ÓµÚÒ»¸öÔªËØ¿ªÊ¼£¬¸ÃÔªËØ¿ÉÒÔÈÏΪÒѾ±»ÅÅÐò ......
1. ÔĶÁÏÂÁдúÂë»Ø´ðÎÊÌ⣨µÚÒ»¸öJava³ÌÐò£¬Àí½âPATHºÍCLASSPATH£¬Ñ§»áʹÓÃjavacºÍjavaÃüÁ
view plaincopy to clipboardprint?
package cn.edu.uibe;
public class HelloWorld {
public static void main(String[] args) {
&nb ......
ÏàÐÅ´ó¼ÒƽʱÅöµ½¹ýһЩÔÚJAVAÖжÔͼÏñ½øÐд¦ÀíµÄÐèÇ󣬱ÈÈçÐèÒª¶ÔÉÏ´«µÄͼƬ¼ÓÉÏ×Ô¼ºµÄÇ©Ãû»òͼ±ê£¬»òÕßÉú³ÉºÍ½âÎö¶¯Ì¬µÄGIFͼƬ£¬ÒÔ¼°´¦ÀíPSDÎļþͼÏñÐÅÏ¢¡£±¾ÎľÍJAVAÔÚͼÏñ´¦ÀíÖÐһЩ»ù±¾Ó¦ÓýøÐÐÁ˽éÉÜ¡£Ï£Íûͨ¹ýÄܹ»¶Ô´ó¼ÒÔÚÒÔºóµÄͼÏñ´¦ÀíÖÐÓÐЩ°ïÖú¡£
Ò»¡¢¶ÔÒ»¸öÏÖÓеÄͼƬ½øÐÐÎ ......