µÚÒ»¸öjava appletС³ÌÐò
³Ã׎ñÌ컹Óе㾫Á¦£¬½«¸Õ¸Õѧ»áµÄAPPLETд³öÀ´¡£
¸Ð¾õÓüÇʱ¾±à¼³ÌÐòÌ«³ÔÁ¦£¬²»¹ýÏÖÔÚÊÇ´¦ÓÚѧϰ½×¶Î£¬ÏÈ°Ñ»ù±¾µÄ¶«Î÷ÕÆÎÕÁË°É¡£
JAVA APPLET¾ÍÊÇÓÃJAVAÓïÑÔ±àдµÄһЩСӦÓóÌÐò£¬ËüÃÇ¿ÉÒÔÖ±½ÓǶÈëµ½ÍøÒ³ÖлòÕßÆäËûÌض¨ÈÝÆ÷ÖУ¬²¢²úÉúÌØÊâµÄЧ¹û¡£
JAVA APPLET³ÌÐò²»Êǽ«main·½·¨×÷ΪÈë¿Ú¡£
µÚÒ»¸öAPPLET³ÌÐò£º
´ò¿ª¼Çʱ¾£¬ÊäÈ룺
import java.applet.Applet;
import java.awt.Graphics;
public class sayhello extends Applet{
public void paint(Graphics g){
g.drawString("hello , this is my first applet program!\n",40,50);
}
}
±£´æΪsayhello.javaÎļþ¡£
ÆäÖÐimportµ¼ÈëAppletÀàºÍGraphicsÀà¡£
extendsÀà±íÃ÷ÀàsayhelloÊÇAppletµÄÅÉÉúÀà¡£
ÏÂÃæÔÙ±àдһ¸öhtmlÎĵµ£¬ÈÔÒÔ¼Çʱ¾´ò¿ª£¬ÊäÈ룺
<HTML>
<HEAD>
<TITLE>APPLET PROGRAM</TITLE>
</HEAD>
<BODY>
<APPLET CODE = "sayhello.class" WIDTH = 300,HEIGHT = 30>
</BODY>
</HTML>
±£´æΪsayhello.htmlÎļþ¡£
ÆäÖÐ<APPLET CODE = "sayhello.class" WIDTH = 300,HEIGHT = 30>
</BODY>
¸æËßä¯ÀÀÆ÷×°ÔÚÒ»¸ösayhelloÀà¡£
±àÒësayhello.java³ÌÐò£¬È·¶¨ÎÞÎóºó£¬´ò¿ªsayhello.htmlÎļþºó£¬¼´¿É¿´µ½APPLET³ÌÐòµÄ½á¹ûÒѾÏÔʾÔÚä¯ÀÀÆ÷ÄÚ¡£
Ïà¹ØÎĵµ£º
class TestTryFinallyC {
public static void main(String[] args) {
System.out.println(testt());
}
public static int testt() {
int x = 99;
try {
return x;
}finally {
x = 8;
}
}
}
ijÄêijÔµÄijһÌ죬 ......
/*
ArrayListÊÇ×î³£ÓõÄListʵÏÖÀ࣬ÄÚ²»ÊÇͨ¹ýÊý×éʵÏֵģ¬ËüÔÊÐí¶ÔÔªËؽøÐпìËÙËæ»ú·ÃÎÊ¡£Êý×éµÄȱµãÊÇÿ¸öÔªËØÖ®¼ä²»Äܺ¬ÓГ¿Õ϶”£¬µ±Êý×é´óС²»Âú×ãʱÐèÒªÔö¼Ó´æ´¢ÄÜÁ¦£¬¾ÍÒª½«ÒÑÓÐÊý×éÊý¾Ý¸´ÖƵ½ÐµĴ洢¿Õ¼äÖС£µ±´ÓArrayListµÄÖмäλÖòåÈë»òÕßɾ³ýÔªËØʱ£¬ÐèÒª¶ÔÊý×é½øÐи´ÖÆ¡¢Òƶ¯£¬´ú¼Û±È½Ï¸ß¡£Òò ......
1¡¢java.lang°ü£ºjavaµÄºËÐÄÀà¿â£¬°üº¬ÁËÔËÐÐjava³ÌÐò±Ø²»¿ÉÉÙµÄϵͳÀ࣬Èç»ù±¾Êý¾ÝÀàÐÍ¡¢»ù±¾Êýѧº¯Êý¡¢×Ö·û´®´¦Àí¡¢Ï̡߳¢Òì³£´¦ÀíÀàµÈ£¬ÏµÍ³È±Ê¡¼ÓÔØÕâ¸ö°ü
2¡¢java.io°ü£ºjavaÓïÑԵıê×¼ÊäÈë/Êä³öÀà¿â£¬Èç»ù±¾ÊäÈë/Êä³öÁ÷¡¢ÎļþÊäÈë/Êä³ö¡¢¹ýÂËÊäÈë/Êä³öÁ÷µÈµÈ
3¡¢java.util°ü£º°üº¬Èç´¦Àíʱ¼äµÄdateÀ࣬´¦Àí±ä³ÉÊý ......
Java³ÌÐòµ÷Óô洢¹ý³ÌÑéÖ¤Óû§µÇ¼
package com.yzy.jdbc.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import oracle.jdbc.OracleTypes;
public class LoginDao {
public boolean loginValidate(String username, Stri ......
ʲôÊÇJavaÐéÄâ»ú
JavaÐéÄâ»ú£¨Java Virtual Machine) ¼ò³ÆJVM
¡¡¡¡JavaÐéÄâ»úÊÇÒ»¸öÏëÏóÖеĻúÆ÷,ÔÚʵ¼ÊµÄ¼ÆËã»úÉÏͨ¹ýÈí¼þÄ£ÄâÀ´ÊµÏÖ¡£JavaÐéÄâ»úÓÐ×Ô¼ºÏëÏóÖеÄÓ²¼þ,Èç´¦ÀíÆ÷¡¢¶ÑÕ»¡¢¼Ä´æÆ÷µÈ,»¹¾ßÓÐÏàÓ¦µÄÖ¸Áîϵͳ¡£
JavaÐéÄâ»úµÄÌصã
¡¡¡¡JavaÓïÑÔµÄÒ»¸ö·Ç³£ÖØÒªµÄÌصã¾ÍÊÇÓëƽ̨µÄÎÞ¹ØÐÔ¡£¶øʹÓÃJavaÐéÄâ»úÊÇÊµÏ ......