JavaỊ̈߳º²¢·¢Ð×÷ ËÀËø
JavaỊ̈߳º²¢·¢Ð×÷-ËÀËø
Ï̷߳¢ÉúËÀËø¿ÉÄÜÐÔºÜС£¬¼´Ê¹¿´ËÆ¿ÉÄÜ·¢ÉúËÀËøµÄ´úÂ룬ÔÚÔËÐÐʱ·¢ÉúËÀËøµÄ¿ÉÄÜÐÔÒ²ÊÇС֮ÓÖС¡£
·¢ÉúËÀËøµÄÔÒòÒ»°ãÊÇÁ½¸ö¶ÔÏóµÄËøÏ໥µÈ´ýÔì³ÉµÄ¡£
ÔÚ¡¶JavaỊ̈߳ºÏ̵߳Äͬ²½ÓëËø¡·Ò»ÎÄÖУ¬¼òÊöËÀËøµÄ¸ÅÄîÓë¼òµ¥Àý×Ó£¬µ«ÊÇËù¸øµÄÀý×ÓÊDz»ÍêÕûµÄ£¬ÕâÀï¸ø³öÒ»¸öÍêÕûµÄÀý×Ó¡£
/**
* JavaỊ̈߳º²¢·¢Ð×÷-ËÀËø
*
* @author Administrator 2009-11-4 22:06:13
*/
public class Test {
public static void main(String[] args) {
DeadlockRisk dead = new DeadlockRisk();
MyThread t1 = new MyThread(dead, 1, 2);
MyThread t2 = new MyThread(dead, 3, 4);
MyThread t3 = new MyThread(dead, 5, 6);
MyThread t4 = new MyThread(dead, 7, 8);
t1.start();
t2.start();
t3.start();
t4.start();
}
}
class MyThread extends Thread {
private DeadlockRisk dead;
private int a, b;
MyThread(DeadlockRisk dead, int a, int b) {
&
Ïà¹ØÎĵµ£º
java -verbose[:class|gc|jni] ÔÚÊä³öÉ豸ÉÏÏÔʾÐéÄâ»úÔËÐÐÐÅÏ¢¡£
1.java -verbose:class
ÔÚ³ÌÐòÔËÐеÄʱºò¾¿¾¹»áÓжàÉÙÀà±»¼ÓÔØÄØ£¬Ò»¸ö¼òµ¥³ÌÐò»á¼ÓÔØÉϰٸöÀàµÄ£¡Äã¿ÉÒÔÓÃverbose:classÀ´¼àÊÓ£¬ÔÚÃüÁîÐÐÊäÈëjava -verbose:class XXX (XXXΪ³ÌÐòÃû)Äã»áÔÚ¿ØÖÆÌ¨¿´µ½¼ÓÔØµÄÀàµÄÇé¿ö¡£
verboseºÍverbose:cla ......
1¡¢Eclipse µÄÆô¶¯»Ãæ
A¡¢¼ÓÆô¶¯²ÎÊý¡£È磺 eclipse.exe -showsplash C:\splash.bmp
¸ü¶à¿É²Î¿¼£ºhttp://www.cnblogs.com/sharewind/archive/2007/03/11/671270.html
B¡¢ÐÞ¸ÄĬÈÏͼƬ¡£Î»ÓÚ£ºplugins\org.eclipse.platform_3.3.2.R33x_v20071022 ......
1.Ì⣺javaÀúÊ·£¿
´ð£ºJava Ö®¸¸Golsling
1995 Äê5 ÔÂ23 ÈÕ Java µ®Éú
1998 Äê12 ÔÂ 1.2 °æ±¾Java2 J2SE J2EE J2ME
2004 Äê12 ÔÂ 1.5 °æ±¾(5.0) Java JavaSE JavaEE JavaME
2.Ì⣺JavaSE£¬JavaEE£¬JavaME£¿
´ð£ºJavaSE ---Java ±ê׼ƽ̨
JavaEE ---ÆóÒµ¼ ......
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class JavaBasic {
public static void main(String[] args){
StringBuffer sd = new StringBuffer();
String hhhString="adlkll";
&nbs ......
Java 1.5ÒÔÉ϶¼ÔÚÐéÄâ»úÀïÄÚ½¨Á˳ÌÐòÐÔÄܸú×ٵŦÄÜ£¬²¢ÌṩÁËJava Profiling API£¬¼ò³ÆJPA£¬Äã¿ÉÒÔËÑË÷'java
profiling'¡£JavaÒ²ÌṩÁ˼òµ¥µÄÐÔÄÜÐÔÄܸú×Ù¹¤¾ßJConsole£¬ÄÜÏÔʾÄڴ棬Ï̵߳ÈʹÓÃ×´¿ö¡£ÁíÍâÒ²ÊÇÓÉSunÌṩ£¬µ«²»°üº¬ÔÚjdk
ÀïµÄ¹¤¾ßvisualgc¿ÉÒÔͼÐη½Ê½ÏÔʾÀ¬»øÊÕ¼¯µÄÔËÐÐÇé¿ö£¬ÎªÐÔÄÜ·ÖÎöÌṩ֧³Ö¡£µÚÈý· ......