javaѧϰ±Ê¼Ç 2.»ù±¾Êý¾ÝÀàÐÍ
1.ÕûÊý
byte 1×Ö½Ú
short 2×Ö½Ú
int 4×Ö½Ú
long 8×Ö½Ú
2.¸¡µã
float
double
Ìáʾ
£¨1£© ¸¡µãÐ͵ÄÖµ£¬Èç¹ûûÓÐÌØ±ðÖ¸Ã÷£¬Ä¬ÈÏÊÇ double Ð͵Ä
£¨2£© ¶¨Òå float Ð͵Äʱºò£¬Ò»¶¨ÒªÖ¸Ã÷ÊÇ float Ð͵ģ¬¿ÉÒÔͨ¹ýÔÚÊý×ÖºóÃæÌí¼Ó”F”»òÕß”f”À´±íʾ¡£
3.²¼¶û
boolean
boolean truth = true; //ÉùÃ÷±äÁ¿ truth
×¢Ò⩤©¤ÔÚÕûÊýÀàÐͺÍbooleanÀàÐÍÖ®¼äÎÞת»»¼ÆËã¡£ÓÐЩÓïÑÔ£¨ÌرðÖµµÃÇ¿µ÷µÄÊÇ C ºÍC++£©ÔÊÐí½«Êý×Öֵת»»³ÉÂß¼Öµ£¨Ëùν“·ÇÁã¼´Õæ”£©,ÕâÔÚ Java ±à³ÌÓïÑÔÖÐÊDz»ÔÊÐíµÄ
£»booleanÀàÐÍÖ»ÔÊÐíʹÓà boolean Öµ£¨true»ò false£© ¡£
4.×Ö·û
char 2¸ö×Ö½Ú¿ÉÒÔ´æ·Åºº×Ö
ÔÚjavaÖУ¬¶Ôchar½øÐÐÔËËãµÄʱºò£¬Ö±½Óµ±×öascIIÂë¶ÔÓ¦µÄ
ÕûÊý¶Ô´ý
Êý¾ÝÀàÐÍ¿ÉÒÔ×Ô¶¯µÄ´ÓµÍ¾«¶È-¡·¸ß¾«¶È
·´Ö®²»¿É£¬ÒªÓÃÇ¿ÖÆÀàÐÍת»»¡£
int a=1.2 ´í£¡£¡
float a=3.4 ´í£¡£¡ 3.4ĬÈÏÊÇdoubleÀàÐÍ
Ïà¹ØÎĵµ£º
http://www.cncn6.com/tongyong/2009/2428.html
JavaÊÇÓÉSun΢ϵͳ¹«Ë¾Ëù·¢Õ¹³öÀ´µÄ³ÌÐòÓïÑÔ£¬Ëü±¾ÉíÊÇÒ»ÖÖ¶ÔÏóµ¼ÏòµÄ³ÌÐòÓïÑÔ¡£JAVAĿǰÔÚÊÖ»úÉÏÓ¦ÓÃ×î¶àµÄ¾ÍÊÇJAVAÓÎÏ·ºÍÊÖ»úÓ¦ÓóÌÐò¡£JavaÒ²ºÅ³ÆÄÜ¿çÆ½Ì¨Ê¹ÓõÄÓïÑÔ£¬ÕâÖ÷ÒªÒòΪJava±¾Éí±»±àÒëºó£¬²¢²»Ö±½Ó²úÉú¿ÉÖ´ÐеÄÂ룬¶øÊDzúÉúÒ»ÖÖÖмäÂë½Ð×÷ByteCode£¬ÕâÖÖÂë±ØÐèÔ ......
ΪÁ˱ãÓÚ¹ÜÀí£¬ÏÈÒýÈë¸ö»ù´¡Àࣺ
package algorithms;
/**
* @author yovn
*
*/
public abstract class Sorter<E extends Comparable<E>> {
public abstract void s ......
µÚÒ»ÖÖ·½·¨Îª³£¼ûÇÒÒ×ÓÚÉÏÊÖ
1¡¢ÔÚÓ¦Óÿª·¢ÖУ¬¾³£ÐèҪһЩÖÜÆÚÐԵIJÙ×÷£¬±ÈÈçÿ5·ÖÖÓÖ´ÐÐijһ²Ù×÷
µÈ¡£¶ÔÓÚÕâÑùµÄ²Ù×÷×î·½±ã¡¢¸ßЧµÄʵÏÖ·½Ê½¾ÍÊÇʹÓÃjava.util.Timer¹¤¾ßÀà¡£
private java.util.Timer timer;
timer
= new Timer(true);
timer.schedule(
new java.util.TimerTask() {
public void run() { // ......
×¢Òâ,Óõ½ÁËÄÚ²¿Àà:
new Thread
(
new Runnable()
{
public void run()
{
try
&n ......
ǰÑÔ£º
±¾ÏîÄ¿Ö÷ÒªÊÇͨ¹ý°ÑµØÍ¼ÇÐÆ¬Ç¶Èëswf£¬°ÑÇÐÆ¬×ø±êÓÃJavaÊý¾Ý´ò°ü£¬È»ºó ÔÚFlexÏîÄ¿ÄÚͨ¹ýJava¶ÁÈ¡´ò°üÊý¾Ý£¬Í¨Ñ¶¸øFlex£¬×îºó°ÑswfÄÚµÄͼƬ°²·ÅÔÚ¶ÔӦλÖÃÀ´Êµ´óµØÍ¼ ²ð·Ö->´ò°ü->ÔÙÏֵĹý³Ì¡£
1. swfͼƬ´ò°ü´úÂë BitMapClass.as
package
{
import flash.display.Sprite;
public class BitM ......