java中的反转语句及其解释 java 图像翻转 。。求解释 代码！！
java\u4e2d\u7684\u63a7\u5236\u53cd\u8f6c\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u5f88\u7b80\u5355 \uff0c\u5c31\u662f\u672c\u6765\u4f60\u8be5\u505a\u7684\u4e8b\u60c5 \u4f60\u4e0d\u53bb\u505a\u4e86 \u8ba9\u7cfb\u7edf\u53bb\u505a\uff0c\u6bd4\u5982\uff0c\u4f60\u83b7\u53d6\u4e00\u4e2a\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u5f80\u5f80\u9700\u8981new\u51fa\u5b9e\u4f8b\u6765\uff0c\u5982\u679c\u7528\u4e86\u63a7\u5236\u53cd\u8f6c\uff0c\u90a3\u8fd9\u4ef6\u4e8b\u60c5 \u5c31\u4e0d\u9700\u8981\u4f60\u505a\u4e86\uff0c\u4f60\u53ea\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6xml\u4e2d\u914d\u7f6e\u597d\uff0c\u7cfb\u7edf\u5c31\u5e2e\u4f60new
\u63a7\u5236\u53cd\u8f6c\u4e5f\u53eb\u4f9d\u8d56\u6ce8\u5165\uff0c\u5c31\u662f\u628a\u8be5\u7528\u5230\u7684\u4e1c\u897f \u63d0\u524d\u6ce8\u5165\u8fdb\u53bb\uff0c\u4e0b\u6b21\u76f4\u63a5\u7528 \u800c\u4e0d\u662f\u6bcf\u6b21\u90fdnew
\u8fd9\u591f\u901a\u4fd7\u7684\u4e86\u5427 \u5e0c\u671b\u4f60\u80fd\u660e\u767d
\u5728\u64cd\u4f5c\u4e8c\u7ef4\u6216\u4e09\u7ef4\u7684\u56fe\u5f62\u56fe\u50cf\u4e0a\uff0c\u957f\u671f\u4ee5\u6765\u4eba\u4eec\u603b\u7ed3\u51fa\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u53d8\u6362\u77e9\u9635\uff0c\u8fd9\u4e9b\u77e9\u9635\u5c31\u50cf\u516c\u5f0f\u548c\u5b9a\u7406\u4e00\u6837\u88ab\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\uff0c\u697c\u4e3b\u53ef\u4ee5\u628a\u8fd9\u4e9b\u77e9\u9635\u5f53\u6210\u516c\u5f0f\u6765\u8bb0\u5fc6\uff0c\u5c31\u50cf\u6211\u4eec\u5c0f\u65f6\u5019\u80cc\u52a0\u6cd5\u3001\u4e58\u6cd5\u53e3\u8bc0\u4e00\u6837\u3002
\u5982\u679c\u697c\u4e3b\u60f3\u4e86\u89e3\u5f97\u66f4\u6df1\u5165\u4e00\u4e9b\uff0c\u8bf7\u5f80\u4e0b\u770b\uff1a
[ x'] [ m00 m01 m02 ] [ x ] [ m00x + m01y + m02 ]
[ y'] = [ m10 m11 m12 ] [ y ] = [ m10x + m11y + m12 ]
[ 1 ] [ 0 0 1 ] [ 1 ] [ 1 ]
\u4e0a\u9762\u7684\u5f0f\u5b50\u662fjdk\u6587\u6863\u4e2d\u590d\u5236\u8fc7\u6765\u7684\uff0c\u5c31\u662f\u53d8\u6362\u65f6\u7684\u8fd0\u7b97\u8fc7\u7a0b\uff0c\u4e5f\u5c31\u662f\u8bf4\u53d8\u6362\u540e\u7684\u5750\u6807x'\u3001y'\u662f\u7531\u4e00\u4e2a3*3\u7684\u77e9\u9635\u4e0e\u539f\u5750\u6807x\u3001y\u76f8\u4e58\u5f97\u51fa\u7684\uff0c\u5176\u4e2d\u7684m00~m12\u5c31\u662fAffineTransform\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u516d\u4e2a\u53c2\u6570\uff0c\u53e6\u5916\uff0c\u5f0f\u5b50\u4e2d\u7684\u6700\u540e\u4e00\u884c\u662f\u56fa\u5b9a\u7684\u3002
\u77e9\u9635\u4e58\u6cd5\u5c31\u4e0d\u7528\u8bf4\u4e86\u5427\uff0c\u6700\u540e\u5f97\u51fa\u7684\u7ed3\u679c\u5c31\u662f\u4e0a\u5f0f\u4e2d\u7684\u6700\u540e\u4e00\u5217\uff0c\u53ef\u80fd\u5199\u6210\u4e0b\u9762\u8fd9\u6837\u4f1a\u66f4\u5bb9\u6613\u7406\u89e3\uff1a
x' = m00x + m01y + m02
y' = m10x + m11y + m12
\u770b\u51fa\u4ec0\u4e48\u4e86\u5417\uff1f\u5176\u5b9e\u8fd9\u5c31\u662f\u4e8c\u7ef4\u5e73\u9762\u76f4\u89d2\u5750\u6807\u7cfb\u4e2d\u7684\u4e24\u4e2a\u5f88\u7b80\u5355\u7684\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u800c\u5df2\uff0c\u65b9\u7a0b\u5b9a\u4e49\u7684\u5c31\u662f\u6a2a\u7eb5\u5750\u6807\u53d8\u6362\u7684\u89c4\u5219\u3002
\u4ee5\u6c34\u5e73\u7ffb\u8f6c\u4e3a\u4f8b\uff0c\u6c34\u5e73\u7ffb\u8f6c\u662f\u4ee5\u56fe\u5f62/\u56fe\u50cf\u7684\u5782\u76f4\u4e2d\u7ebf\u4e3a\u8f74\u6765\u7ffb\u8f6c\u7684\uff0c\u56e0\u6b64\u4efb\u4f55\u4e00\u4e2a\u70b9(x,y)\u53d8\u6362\u540e\u7684\u5750\u6807\u5e94\u8be5\u662fy\u5750\u6807\u4e0d\u53d8\uff0cx\u5750\u6807\u53d8\u4e3a-x+width-1\uff0c\u5373(-x+width-1,y)\uff0c\u4e4b\u6240\u4ee5\u51cf1\u662f\u56e0\u4e3a\u5782\u76f4\u4e2d\u8f74\u4e0a\u7684\u70b9\u4e0d\u5e94\u8be5\u6539\u53d8\u3002
\u7406\u89e3\u4e86\u4e0a\u9762\u7684\u53d8\u6362\u8fc7\u7a0b\u4e4b\u540e\uff0c\u5c06\u7ed3\u679c\u5e26\u5165\u4e0a\u9762\u7684\u4e24\u4e2a\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u53ef\u4ee5\u5f97\u51fa
m00=-1\u3001m01=0\u3001m02=width-1
m10=0\u3001m11=1\u3001m12=0
\u6b63\u597d\u662f\u4f60\u7ed9\u7684\u4ee3\u7801\u4e2d\u7684\u516d\u4e2a\u503c\uff08AffineTransform\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u53c2\u6570\u987a\u5e8f\u4e3am00\u3001m10\u3001m01\u3001m11\u3001m02\u3001m12\uff09
\u5176\u4ed6\u51e0\u4e2a\u53d8\u6362\u9053\u7406\u662f\u4e00\u6837\u7684
public class Demo{
public static void main(String[] args) {
String str = "abcdefg";
StringBuilder sb = new StringBuilder(str);//将字符串作为参数传入StringBuilder
sb.reverse();//StringBuilder进行反转
String str2 = sb.toString();//反转后赋值给str2
System.out.println(str2);//输出 gfedcba
}
}输出
gfedcba
绛旓細鍏堟眰杩欎釜鏁扮殑浣嶆暟,鐒跺悗鐢ㄥ彇浣,鐩搁櫎鐨勬柟娉曞氨寰堝揩寰楀埌,鐢⊿tring鏉ュ鐞嗘晥鐜囧お浣庝笅,StringBuffer鐨剅everse()鏂规硶鏇翠笉鍙彇,瑕佹槸鏈嚑浣嶆槸0,閭ｄ箞杈撳嚭缁撴灉灏变笉瀵逛簡,///Test.java public class Test { public static void main(String[] args) { reverse(12340567);reverse(123000);} static void reverse(...
绛旓細public static void main(String[] args) { String str = "To be or not to be" ;// 鎸夌┖鏍兼媶鍒 String[] split = str.split(" ");// 寰幆鍙嶈浆姣忎竴涓 String over = "";for (int i =0;i < split.length;i++) { // 瀹氫箟StringBuffer锛岃皟鐢ㄥ弽杞柟娉 over += new StringBuffer(...
绛旓細鐩存帴寰幆涓涓嬩笉灏卞ソ浜嗐俰nt rt[]={1,2,3}; //瀹氫箟鏁扮粍 int r[]=new int[rt.length]; //瀹氫箟涓涓拰瑕佽浆鎹㈡暟缁勫悓闀垮害鐨勬暟缁 for(int i=0;i
绛旓細闆嗗悎鏈変釜宸ュ叿绫籆ollections锛岀洿鎺ヨ皟鐢ㄥ叾闈欐佹柟娉曪紝瀵归泦鍚堟帓搴鍙嶈浆锛氭瘮濡傛湁涓泦鍚堬細List list =...鍙嶈浆鎺掑簭鏂规硶锛欳ollections.reverse(list);
绛旓細public class BinaryReverse { private static String s = null;public static void main(String[] args){ BinaryReverse br = new BinaryReverse();Scanner sc = new Scanner(System.in);byte tempbyte;System.out.println("璇疯緭鍏ヨ鍙嶈浆鐨勬暟瀛:");s = sc.nextLine();tempbyte = Byte.valueOf(...
绛旓細import java.util.*;public class TurnChessboard { static void printArray(int[][] s){ for(int[] i:s){ for(int j:i)System.out.printf("%2d",j);System.out.println("");} } static int turn(int i){ if(i==0)return 1;else return 0;} public static void main(String[] ...
绛旓細鎴戜滑鍙互閫氳繃杩愮敤JAVA鐨 StringBuffer鐨1瀛楃涓鍙嶈浆鏂规硶鐩存帴缃嗭紝涓嬮潰灏嗕妇渚嬭鏄庯細public class Test {public static void main(String[] args){String str = "12345678";System.out.println(str);//澹版槑涓涓紦鍐插瓧绗︿覆StringBuffer sb = new StringBuffer(str);//閫氳繃reverse()鍙嶈浆鏂规硶锛屽弽杞紱鐒跺悗...
绛旓細i--;}list = templist;System.out.println(list);}杩愯缁撴灉涓猴細5 4 3 2 1 0 浠嶢PI涓彲浠ョ湅鍒癓ist绛塁ollection鐨勫疄鐜板苟娌℃湁鍚屾鍖栵紝濡傛灉鍦ㄥ绾跨▼搴旂敤绋嬪簭涓嚭鐜板悓鏃惰闂紝鑰屼笖鍑虹幇淇敼鎿嶄綔鐨勬椂鍊欓兘瑕佹眰澶栭儴鎿嶄綔鍚屾鍖栵紱璋冪敤Iterator鎿嶄綔鑾峰緱鐨処terator瀵硅薄鍦ㄥ绾跨▼淇敼Set鐨勬椂鍊欎篃鑷姩澶辨晥锛屽苟鎶涘嚭java....
绛旓細public static void main(String[] args) { String[] strs = str.split(" ");boolean first = true;for (int len = strs.length - 1; len >= 0; len--) { if (!first) { System.out.print(" ");} first = false;System.out.print(reverse(strs[len]));} } / 鍙嶈浆瀛楃涓...
绛旓細棣栧厛缁欎綘浠嬬粛涓涓被鍜屼竴涓柟娉曪紝濡備笅锛歋tringBulider绫诲氨鍍忎竴涓彲鍙橀暱搴︾殑瀛楃涓叉暟缁勪竴鏍凤紝鍐呭鍜岄暱搴﹂兘鍙互琚敼鍙橈紝鏃㈡柟渚垮張鑺傜渷寮閿銆俽everse锛堬級缈昏浆StringBulider瀵硅薄涓殑瀛楃涓层俻ublic class Main{ public static void main(String args[]) throws Exception{ String array="娴烽様鍑奔璺冿紝澶╅珮浠婚笩椋"...
