UVAOj javaÊäÈëÊä³ö
/**
* ### Õæ難µÄ題Ä¿: ¹·Æ¨ÑÝËã·¨ (測資ºÜ機車)
* 測驗結¹û: x.xx0 ms
* 測驗ÈÕÆÚ: 200y-mm-dd
* @author Raymond Wu (Сè°Íè)
*/
public class Main {
// 輸Èë緩衝區 (緩衝¿Õ間ÐèÒªÒÀÕÕ題Ä¿調Õû)
public static byte[] cinbuf = new byte[1024];
// 讀ȡһ個單×Ö (Ó¢ÎÄÐÕÃû°üº¬¿Õ°×時請²»ÒªÓÃ)
public static String readToken() {
int offset = 0;
int bytedata = -1;
try {
// ÂÔ過·Ç單×ÖµÄ×ÖÔª '\t','\n','\r',' '
bytedata = System.in.read();
while(bytedata==9||bytedata==10||bytedata==13||bytedata==32) {
bytedata = System.in.read();
}
// 載Èë單×ÖµÄ×ÖÔª
while(bytedata!=-1) {
if(bytedata==9||bytedata==10||bytedata==13||bytedata==32) {
break;
} else {
cinbuf[offset++] = (byte)bytedata;
}
bytedata = System.in.read();
}
} catch(Exception e) {}
if(offset+bytedata==-1) return null; // ´®Á÷結Êø
return new String(cinbuf,0,offset);
}
// 讀ȡһÐÐ
public static String rea
Ïà¹ØÎĵµ£º
1. JVMÄÚ´æ¶Î·ÖÅä¼°Æô¶¯²ÎÊý£º
J2EE·þÎñÆ÷µÄÄÚ´æ×é³É£º
? Java¶Ñ£ºÎÒÃǵijÌÐòºÍ¶ÔÏó¶¼ÔÚÕâ¸ö¶Ñ½øÐйÜÀí
? C¶Ñ£ºµ±ÒýÓõ½Ò»Ð©NativeµÄ¶ÔÏó£¬ÈçÍøÂç·ÃÎÊ¡¢OCI·½Ê½µÄÊý¾Ý¿âÁ¬½ÓµÈ¶¼ÔÚC¶ÑÀï½øÐйÜÀí
Java¶ÑµÄÃèÊö£º
ÈçÏÂͼ
ÄÚ´æÓÉ Perm ºÍ Heap ×é³É. ÆäÖÐ
Heap = {Old + young = { Eden , from, to } }
? You ......
/**
* @param source: source image file
* @param output: output image file
* @param mode: 0 ratio,1 maxWidth,2 maxHeight,3 maxSide
* @param maxSide: maxWidth, maxHeight or maxSide, different by mode
* @param ratio: ratio if resized by ratio
*/
public static void resizeImage(File ......
native2ascii.exe ÊÇ Java µÄÒ»¸öÎļþתÂ빤¾ß£¬Êǽ«ÌØÊâ¸÷ÒìµÄÄÚÈÝ ×ªÎª ÓÃÖ¸¶¨µÄ±àÂë±ê×¼ÎÄÌåÐÎʽͳһµÄ±íÏÖ³öÀ´£¬Ëüͨ³£Î»ÓÚ JDK_home\bin Ŀ¼Ï£¬°²×°ºÃ Java SE ºó£¬¿ÉÔÚÃüÁîÐÐÖ±½ÓʹÓà native2ascii ÃüÁî½øÐÐתÂ룬ʾÀý£º
native2ascii -encoding 8859_1 c:\test.txt c:\temp.txt
½« test.txt ÎļþÄÚÈÝÓà 8859_1 × ......
ÏÂÃæÒÔ±àÒë /src/com/dream/io/ScannerTest.javaΪʾÀý£º
1¡¢ÓÃjavac±àÒë.javaÎļþʱ£¬½øÈësrcĿ¼ºó£¬ÊäÈë javac com/dream/io/ScannerTest.java£¬ »Ø³µ£¬¼´¿É±àÒëScannerTest.javaÎļþΪ.classÎļþ£»Ò²¿É£¬½øÈë /src/com/dream/io/ Ŀ¼ºó£¬ ÊäÈë javac ScannerTest.java£¬ »Ø³µ£¬Ò²¿É±àÒë ScannerTest.javaÎļþΪ .clas ......