銆?/p>
Java
绋嬪簭璁捐銆嬪疄楠屾寚瀵间功
瀹為獙涓�
Java
寮�鍙戠幆澧冪殑瀹夎涓庨厤缃?/p>
涓�
.
瀹為獙鐩殑
1.
鎺屾彙
JDK
鐨勫畨瑁呮楠わ紙鏈夋潯浠剁殑璇濆彲浠ュ湪
Linux
绯荤粺涓嬪畨瑁咃級
銆?/p>
2.
鐞嗚В鐜鍙?/p>
閲?/p>
PA
TH,
CLASSPATH
鐨勪綔鐢紝浠ュ強瀹冧滑鐨勮缃柟娉?/p>
(Win98
鍜?
Win2000/XP
涓嬬殑涓嶅悓璁剧疆鏂规硶
)
銆?/p>
3.
鐔熸倝
TextPad
锛堟垨
JCreator
锛夌紪杈戠幆澧冿紝缂栧啓绠�鍗曠殑
Application
绋嬪簭锛屽苟缂栬瘧鍜岃В
閲婃墽琛屻�?/p>
4.
璁板綍缂栬瘧鍜屾墽琛?/p>
Java
绋嬪簭褰撲腑鐨勭郴缁熼敊璇俊鎭彁绀猴紝骞剁粰鍑鸿В鍐冲姙娉曘�?/p>
浜?/p>
.
瀹為獙鍐呭
1
锛庝笅杞芥渶鏂扮増鏈殑
JDK
锛屽苟瀹夎銆?/p>
2
锛庤缃幆澧冨彉閲?/p>
PATH, CLASSPATH,
浣垮緱
Java
绋嬪簭鑳芥纭紪璇戝拰鎵ц銆?/p>
3
锛庡湪
Textpad
锛堟垨
JCreator
锛夌幆澧冧笅缂栧啓涓�涓?/p>
HelloWorld.java
绋嬪簭锛屽湪
DOS
鎻愮ず绗︿笅
缂栬瘧骞舵墽琛岃繖涓▼搴忋�?/p>
4
锛庣紪鍐欎竴涓被
A
锛屽畠浣嶄簬鍖?/p>
a
涓紝淇濆瓨鍒?/p>
A.java
涓紝鍐嶇紪鍐欎竴涓被
B
锛屽畠浣嶄簬鍖?/p>
b
涓紝
淇濆瓨鍒?/p>
B.java
涓�傚湪绫?/p>
B
涓疄渚嬪寲绫?/p>
A
鐨勪竴涓璞°�傚垎鍒紪璇戠被
A
鍜岀被
B
銆?/p>
5
锛庡疄楠屾椂锛屽湪璁＄畻鏈轰腑寤虹珛鍒嗗埆濡備笅鐩綍锛?/p>
D
锛?/p>
\
瀛﹀彿
\src
鍜?/p>
D
锛?/p>
\
瀛﹀彿
\class
锛屽垎鍒敤鏉?/p>
鏀剧疆
Java
婧愭枃浠跺拰缂栬瘧鍚庣殑瀛楄妭鍚楁枃浠讹紙娉細姣忎綅鍚屽鍒嗗埆鐢ㄨ嚜宸辩殑瀛﹀彿寤虹珛鐩綍锛?/p>
銆?/p>
6.
鍒嗗埆缂栧啓涓や釜绫?/p>
Point2D
锛?/p>
Point3D
鏉ヨ〃绀轰簩缁寸┖闂村拰涓夌淮绌洪棿鐨勭偣锛屼娇涔嬫弧瓒充笅鍒?/p>
瑕佹眰锛?/p>
锛?/p>
1
锛?/p>
Point2D
鏈変袱涓暣鍨嬫垚鍛樺彉閲?/p>
x, y (
鍒嗗埆涓轰簩缁寸┖闂寸殑
X,Y
鏂瑰悜鍧愭爣
)
锛?/p>
Point2D
鐨?/p>
鏋勯�犳柟娉曡瀹炵幇瀵瑰叾鎴愬憳鍙橀噺
x, y
鐨勫垵濮嬪寲銆?/p>
锛?/p>
2
锛?/p>
Point2D
鏈変竴涓?/p>
void
鍨嬫垚鍛樻柟娉?/p>
offset(int a, int b)
锛屽畠鍙互瀹炵幇
Point2D
鐨勫钩绉汇�?/p>
锛?/p>
3
锛?/p>
Point3D
鏄?/p>
Point2D
鐨勭洿鎺ュ瓙绫伙紝瀹冩湁鏈変笁涓暣鍨嬫垚鍛樺彉閲?/p>
x,y,z
(
鍒嗗埆涓轰笁缁寸┖
闂?/p>
鐨?/p>
X,Y,Z
鏂?/p>
鍚?/p>
鍧?/p>
鏍?/p>
)
锛?/p>
Point3D
鏈?/p>
涓?/p>
涓?/p>
鏋?/p>
閫?/p>
鏂?/p>
娉?/p>
锛?/p>
Point3D(int
x,int
y,int
z)
鍜?/p>
Point3D(Point2D p,int z)
锛屼袱鑰呭潎鍙疄鐜板
Point3D
鐨勬垚鍛樺彉閲?/p>
x, y,z
鐨勫垵濮嬪寲銆?/p>
锛?/p>
4
锛?/p>
Point3D
鏈変竴涓?/p>
void
鍨嬫垚鍛樻柟娉?/p>
offset(int a, int b,int c)
锛岃鏂规硶鍙互瀹炵幇
Point3D
鐨勫钩绉汇�?/p>
锛?/p>
5
锛?/p>
鍦?/p>
Point3D
涓殑涓诲嚱鏁?/p>
main()
涓疄渚嬪寲涓や釜
Point2D
鐨勫璞?/p>
p2d1
锛?/p>
p2d2
锛屾墦鍗板嚭
瀹冧滑涔嬮棿鐨勮窛绂伙紝鍐嶅疄渚嬪寲涓や釜
Point3D
鐨勫璞?/p>
p3d1
锛?/p>
p3d2
锛屾墦鍗板嚭浠栦滑涔嬮棿鐨勮窛绂汇�?/p>
锛堟彁绀猴細
java.lang.Math.sqrt()
鏂规硶锛?/p>
涓?/p>
.
鎬濊�冮
1.
浠�涔堟槸
JVM
锛屽畠鐨勪綔鐢ㄦ槸浠�涔堬紵
2.
濡備綍鐞嗚В
PA
TH
鍜?/p>
CLASSPATH,
锛屽浣曡缃畠浠�?/p>