ÓÃJava´úÂë²é¿´ÏµÍ³Ä¬ÈÏ×Ö·û¼¯±àÂë
public class EchoDefaultSystemEncoding
{
public static void main(String[] args)
{
String encoding = System.getProperty("file.encoding");
System.out.println("Default System Encoding:" + encoding);
}
}
Ïà¹ØÎĵµ£º
http://www.javaworld.com/javaworld/javaqa/2000-05/03-qa-0526-pass.html
Does Java pass by reference or pass by value?
Why can't you swap in Java?
By Tony
Sintes, JavaWorld.com, 05/26/00
Print
Email
Feedback
Resources
Discuss
(76)
Digg
Reddit
SlashDot
Stumble
......
1£¬intÓëbytes ת»»
intת»»³Ébytes
public
static
final
byte
[]
int2bytes
(
int
value
)
{
return
new
byte
[]
{
(
byte
)(
value
>>>
24
),
(
byte
)(
value
>>>
16
),
......
ÉÏÒ»´Î£¬ÎÒÃÇÍê³ÉÁ˽çÃæµÄ×éÖ¯¡£½ÓÏÂÀ´ÎÒÃÇÍê³ÉÒµÎñÂß¼¡£
1£©ÈçºÎÍê³ÉÖÜΧÏàÁڵİ´Å¥±äÉ«¡£
·ÖÎö£ºÒòΪÎÒÃÇ×öÁËÒ»¸ö5*5µÄÊý×é¡£²¢ÇÒÊÂÏÈÎÒÃǸøÃ¿¸ö×Ô¶¨ÒåµÄbutton¼ÓÁËxºÍy×ø±ê
¾ÍÊÇΪÁ˸ü·½±ãµÄ¸øÏàÁڵİ´Å¥±äÉ«¡£
µ±ÎÒÃǵã»÷(2£¬2)°´Å¥Ê±£¬ÖÜΧµÄ 4¸ö°´Å¥»á±ä»¯¡£
µ±È»Ê×ÏÈÎÒÃÇÓ¦¸ÃÏȸøÃ¿¸ö°´Å¥Ôö¼Ó¼àÌýÆ÷¡£Î ......
//´ÓÊý×éaÖÐɾ³ýÊý×ébÖдæÔÚµÄÔªËØ
String stra[] = {"g","b","c","h","k"};//ÔʼÊý×é
String strb[] = {"g","k"}; //ÒÆ³ýµÄÔªËØ
ArrayList list = new ArrayList();
//·½·¨Ò»
for(int i=0;i<stra.length;i++){
int n=0;
......
JavaÊÇÈçºÎ¹ÜÀíÄÚ´æ
ΪÁËÅжÏJavaÖÐÊÇ·ñÓÐÄÚ´æÐ¹Â¶£¬ÎÒÃÇÊ×ÏȱØÐëÁ˽âJavaÊÇÈçºÎ¹ÜÀíÄÚ´æµÄ¡£JavaµÄÄÚ´æ¹ÜÀí¾ÍÊǶÔÏóµÄ·ÖÅäºÍÊÍ·ÅÎÊÌâ¡£ÔÚJavaÖУ¬³ÌÐòÔ±ÐèҪͨ¹ý¹Ø¼ü×ÖnewΪÿ¸ö¶ÔÏóÉêÇëÄÚ´æ¿Õ¼ä (»ù±¾ÀàÐͳýÍâ)£¬ËùÓеĶÔÏó¶¼ÔÚ¶Ñ (Heap)ÖзÖÅä¿Õ¼ä¡£ÁíÍ⣬¶ÔÏóµÄÊÍ·ÅÊÇÓÉGC¾ö¶¨ºÍÖ´Ðеġ£ÔÚJavaÖУ¬ÄÚ´æµÄ·ÖÅäÊ ......