Java°´ÐжÁÈ¡Îı¾Îļþ
import java.io.*;
public class IoTest
{
public static void main(String[] args)
{
String s;
s=calculate();
System.out.println(s);
}
static String calculate()
{
StringBuffer sb=new StringBuffer("");
try{
FileReader reader = new FileReader("words.txt");
BufferedReader br = new BufferedReader(reader);
String s = null;
while((s = br.readLine()) != null) {
sb.append(s+'\n');
}
br.close();
reader.close();
}catch(Exception e){
e.printStackTrace();
}
return sb.toString();
}
}
Ïà¹ØÎĵµ£º
WindowsÏÂJAVA»·¾³±äÁ¿µÄÉèÖÃ
WindowsÏÂJAVAÓõ½µÄ»·¾³±äÁ¿Ö÷ÒªÓÐ3¸ö£¬JAVA_HOME¡¢CLASSPATH¡¢PATH¡£ÏÂÃæÖð¸ö·ÖÎö¡£
JAVA_HOME Ö¸ÏòµÄÊÇJDKµÄ°²×°Â·¾¶£¬Èçx:\JDK_1.4.2£¬ÔÚÕâ·¾¶ÏÂÄãÓ¦¸ÃÄܹ»ÕÒµ½bin¡¢libµÈĿ¼¡£ÖµµÃÒ»ÌáµÄÊÇ£¬JDK µÄ°²×°Â·¾¶¿ÉÒÔÑ¡ÔñÈÎÒâ´ÅÅÌĿ¼£¬²»¹ý½¨ÒéÄã·ÅµÄĿ¼²ã´ ......
ÔÚAndroidµÄÓ¦ÓóÌÐò¿ª·¢ÖУ¬Í¨³£Ê¹ÓõÄÊÇJAVAÓïÑÔ£¬³ýÁËÐèÒªÊìϤJAVAÓïÑԵĻù´¡ÖªÊ¶Ö®Í⣬»¹ÐèÒªÁ˽âAndroidÌṩµÄÀ©Õ¹µÄJAVA¹¦ÄÜ¡£
ÔÚÒ»°ãµÄJAVAÓ¦ÓÃÖУ¬Èç¹ûÐèÓÃÒýÓûù´¡Àà¿â£¬Í¨³£ÐèҪʹÓÃÈçϵķ½Ê½£º
import
javax.swing.*;
ÒÔÉÏ´úÂë±íʾÁËÒýÓÃJAVAµÄGUI×é¼þSwing,javax.swing¼´JAVAÖеÄÒ»¸ö°ü¡£
androidÌṩһР......
Òª¿ªÊ¼Ñ§Ï°JavaÁË
ÉùÃ÷£ºÒÔÏÂÊÇÎÒ×ªÔØµÄ£¬ÎÒ¾õµÃͦ²»´íµÄ ÄÃÀ´·ÖÏí¡£
j2eeµÄѧϰ˳Ðò
ÎÒÈÏΪj2eeÒ»¶¨ÒªÑÐò½¥½ø£¬ÎÒ×Ô¼º¾ÍÊÇÕâÑù£¬´ÓÒ»¸öÒ»°ã¸ßУ¼ÆËã»úϵ±ÏÒµ£¬
È»ºóÂú»³ÃÎÏëºÍ¼¤ÇéÈ¥ÕÒ¹¤×÷£¬ÎÒkao,ÄǸöµ¥Î»¶¼¸øÎÒ°×ÑÛ£¬Á¬»áÀϼҵÄÐͼÓÐÁË£¬ÄǸöʱºòºÍ¼¸¸ö¸çÃÇ£¬×¡ÔÚµØÏÂÊÒ£¨¾ÍÔÚ±±º½ÄÇÀ¡£»·¾³Ï൱¶ñÁÓ£¬Å® ......
£¨1£©Ìí¼Ó±àÒëjava²Ëµ¥
1¡¢´ò¿ª ¸ß¼¶£>¹¤¾ßÅäÖÃ
2¡¢ÔÚ“ÃüÁîÀ¸”ÀïÊäÈë javac %n%e £¨%nΪÎļþÃû²»´øÀ©Õ¹Ãû£¬%eΪÀ©Õ¹Ãû£©
3¡¢ÔÚ“¹¤×÷Ŀ¼”ÉÏÌî %p (±íʾÎļþËùÔÚĿ¼)
4¡¢ÔÚ“²Ëµ¥ÏîÄ¿Ãû³Æ”ÉÏÊäÈë ±àÒëjava³ÌÐò £¨ÏÖÔÚÔڲ˵¥ÉϵÄÃû³Æ£©
5¡¢Ñ¡Ôñ“±£´æµ±Ç°Îļþ”¸´Ñ¡¿ ......
Java
Java£¬ÊÇÓÉSun Microsystems¹«Ë¾ÓÚ1995Äê5ÔÂÍÆ³öµÄJava³ÌÐòÉè¼ÆÓïÑÔºÍJavaƽ̨µÄ×ܳơ£ÓÃJavaʵÏÖµÄHotJavaä¯ÀÀÆ÷£¨Ö§³ÖJava applet£©ÏÔʾÁËJavaµÄ÷ÈÁ¦£º¿çƽ̨¡¢¶¯Ì¬µÄWeb¡¢Internet¼ÆËã¡£´Ó´Ë£¬Java±»¹ã·º½ÓÊܲ¢Íƶ¯ÁËWebµÄѸËÙ·¢Õ¹£¬³£ÓõÄä¯ÀÀÆ÷ÏÖÔÚ¾ùÖ§³ÖJava applet¡£
¡¡¡¡Javaƽ̨ÓÉJavaÐéÄâ»ú£¨Java Virt ......