Java±ÊÊԱؿ¼Ì⣨һ£©ÀàµÄ³õʼ»¯Ë³Ðò
´ó¼ÒÔÚÈ¥²Î¼ÓÃæÊÔµÄʱºò£¬¾³£»áÓöµ½ÕâÑùµÄ¿¼Ì⣺¸øÄãÁ½¸öÀàµÄ´úÂ룬ËüÃÇÖ®¼äÊǼ̳еÄ
¹Øϵ£¬Ã¿¸öÀàÀïÖ»Óй¹ÔìÆ÷·½·¨ºÍһЩ±äÁ¿£¬¹¹ÔìÆ÷Àï¿ÉÄÜ»¹ÓÐÒ»¶Î´úÂë¶Ô±äÁ¿Öµ½øÐÐÁËij
ÖÖÔËË㣬ÁíÍ⻹ÓÐһЩ½«±äÁ¿ÖµÊä³öµ½¿ØÖÆ̨µÄ´úÂ룬ȻºóÈÃÎÒÃÇÅжÏÊä³öµÄ½á¹û¡£Õâʵ¼Ê
ÉÏÊÇÔÚ¿¼²éÎÒÃǶÔÓڼ̳ÐÇé¿öÏÂÀàµÄ³õʼ»¯Ë³ÐòµÄÁ˽⡣
ÎÒÃÇ´ó¼Ò¶¼ÖªµÀ£¬¶ÔÓÚ¾²Ì¬±äÁ¿¡¢¾²Ì¬³õʼ»¯¿é¡¢±äÁ¿¡¢³õʼ»¯¿é¡¢¹¹ÔìÆ÷£¬ËüÃǵijõʼ»¯
˳ÐòÒÀ´ÎÊÇ£¨¾²Ì¬±äÁ¿¡¢¾²Ì¬³õʼ»¯¿é£©>£¨±äÁ¿¡¢³õʼ»¯¿é£©>¹¹ÔìÆ÷¡£ÎÒÃÇÒ²¿ÉÒÔͨ¹ýÏÂ
ÃæµÄ²âÊÔ´úÂëÀ´ÑéÖ¤ÕâÒ»µã£º
Java ´úÂë
public class InitialOrderTest {
// ¾²Ì¬±äÁ¿
public static String staticField = "¾²Ì¬±äÁ¿";
// ±äÁ¿
public String field = "±äÁ¿";
// ¾²Ì¬³õʼ»¯¿é
static {
System.out.println(staticField);
System.out.println("¾²Ì¬³õʼ»¯¿é");
}
// ³õʼ»¯¿é
{
System.out.println(field);
System.out.println("³õʼ»¯¿é");
}
// ¹¹ÔìÆ÷
public InitialOrderTest() {
System.out.println("¹¹ÔìÆ÷");
}
public static void main(String[] args) {
new InitialOrderTest();
}
}
ÔËÐÐÒÔÉÏ´úÂ룬ÎÒÃÇ»áµÃµ½ÈçϵÄÊä³ö½á¹û£º
1. ¾²Ì¬±äÁ¿
2. ¾²Ì¬³õʼ»¯¿é
3. ±äÁ¿
4. ³õʼ»¯¿é
5. ¹¹ÔìÆ÷
ÕâÓëÉÏÎÄÖÐ˵µÄÍêÈ«·ûºÏ¡£ÄÇô¶ÔÓڼ̳ÐÇé¿öÏÂÓÖ»áÔõÑùÄØ£¿ÎÒÃÇÈÔÈ»ÒÔÒ»¶Î²âÊÔ´úÂëÀ´»ñ
È¡×îÖÕ½á¹û£º
Java´úÂë £º
class Parent {
// ¾²Ì¬±äÁ¿
public static String p_StaticField = "¸¸Àà--¾²Ì¬±äÁ¿";
// ±äÁ¿
public String p_Field = "¸¸Àà--±äÁ¿";
// ¾²Ì¬³õʼ»¯¿é
static {
System.out.println(p_StaticField);
System.out.println("¸¸Àà--¾²Ì¬³õʼ»¯¿é");
}
// ³õʼ»¯¿é
{
System.out.println(p_Field);
System.out.println("¸¸Àà--³õʼ»¯¿é");
}
// ¹¹ÔìÆ÷
public Parent() {
System.out.println("¸¸Àà--¹¹ÔìÆ÷");
}
}
public class SubClass extends Parent {
// ¾²Ì¬±äÁ¿
public static String s_StaticField = "×ÓÀà--¾²Ì¬±äÁ¿";
// ±äÁ¿
public String s_Field = "×ÓÀà--±äÁ¿";
// ¾²Ì¬³õʼ»¯¿é
static {
System.out.println(s_StaticField);
System.out.println("×ÓÀà--¾²Ì¬³õʼ»¯¿é");
}
// ³õʼ»¯¿é
{
System.out.println(s_Field);
System.out.println("×ÓÀà--³õʼ»¯¿é");
}
// ¹¹ÔìÆ÷
public SubClass() {
System.out.println("×ÓÀà--¹¹
Ïà¹ØÎĵµ£º
ListµÄÓ÷¨
List°üÀ¨List½Ó¿ÚÒÔ¼°List½Ó¿ÚµÄËùÓÐʵÏÖÀà¡£ÒòΪList½Ó¿ÚʵÏÖÁËCollection½Ó¿Ú£¬ËùÒÔList½Ó¿ÚÓµÓÐCollection½Ó¿ÚÌṩµÄËùÓг£Ó÷½·¨£¬ÓÖÒòΪListÊÇÁбíÀàÐÍ£¬ËùÒÔList½Ó¿Ú»¹ÌṩÁËһЩÊʺÏÓÚ×ÔÉíµÄ³£Ó÷½·¨£¬Èç±í1Ëùʾ¡£
±í1 List½Ó¿Ú¶¨ÒåµÄ³£Ó÷½·¨¼°¹¦ÄÜ
´Ó±í1¿ÉÒÔ¿´³ö£¬List½Ó¿ÚÌṩµÄÊʺÏÓÚ×ÔÉíµÄ ......
Ôڳɹ¦ÊµÏÖJavaµ÷ÓÃC++Ö®ºó£¬½ÓÏÂÀ´Ïëµ½ÄÜ·ñͨ¹ýJNAʵÏÖJavaµ÷ÓÃFortran£¬½ñÌìÊÔÑéÁËһϣ¬»¹ÊDZȽÏÈÝÒ׵ġ£
ÍøÉÏÓÐÒ»¸öJavaµ÷ÓÃF95µÄÀý×Ó£¬µ«ÊÇÎÒ¿¼ÂDz»½öҪʵÏÖF95µÄµ÷Ó㬻¹ÒªÊµÏÖF77µÄµ÷Óã¬ËùÒÔ·ÑÁËһЩÖÜÕÛ¡£
ÎÊÌâµÄ¹Ø¼üÔÚÓÚF77Ϊ¹ý³ÌÃû×Ô¶¯Ìí¼ÓÁËÒ»¸öβ²¿µÄÏ»®Ïߣ¬ËùÒÔsub1Õâ¸ö¹ý³Ì£¬µ½JavaÒ»¶Ë£¬¾Í±ä³ÉÁËsub1_£¬ ......
×î½ü¹«Ë¾Åöµ½ÐèÒªÓÃͼ±íµÄÐÎʽÏÔʾһЩÊý¾Ý£¬ÎҾͿªÊ¼µ½ÍøÉϲéѯ£¬²éµ½ÁËjfreechartºÍamcharts,ÕâÁ½ÕßÎÒ¶¼ÊµÏÖ¹ýÁË£¬jfreechart×îºóÉú³ÉͼƬ£¬µ«ÊÇͼƬЧ¹û²»ÊÇÎÒÏëÒªµÄ£¬È»ºóÓÖÑо¿amcharts ËüµÄЧ¹ûȷʵºÜºÃ£¬¶øÇÒ¹Ù·½ÍøÕ¾ÉÏ»¹ÓкÃЩÀý×ӿɹ©ÏÂÔØ£¬ÍøÖ·ÊÇ:www.amcharts.com
£¨ÏëÒªÍê³ÉÒ»¸öamchartsͼÐÎÐèÒªswfobjects. ......
Ò». Êý×é
. ÕýÈ·µÄ¶¨Òå: int num[]; num= new int[5] //Ö»ÓÐÓÃnew¹Ø¼ü×ÖÕæÕý´´½¨Êý×éʱ²Å¿ÉÒÔ¸ø¶¨ËüµÄ´óС
´íÎóµÄ¶¨Òå: int num[5];
. ³£¼ûµÄÊý×é´íÎóΪ : ArrayIndexOutOfBoundsException (Êý×éÔ½½ç´íÎó)
. Êý×éµÄά¶ ......