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10.1閫夋嫨棰樹笉浼氬仛锛岃挋鍛楋紒
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鈥滃ソ鐨勩€傗€?/p>
10.2閲嶅=鏄撻敊+闅炬敼
浜屽崄鍒嗛挓鍚庯紝灏忚彍涓婁氦浜嗙涓€浠戒綔涓氥€?/p>
浠g爜缁撴瀯鍥?br>
//瀛︾敓鐢叉妱鐨勮瘯鍗风被 public class TestPaperA { public void testQuestion1() { System.out.println("鏉ㄨ繃寰楀埌锛屽悗鏉ョ粰浜嗛儹闈栵紝缁冩垚鍊氬ぉ鍓戙€佸睜榫欏垁鐨勭巹閾佸彲鑳芥槸[] " + "a.鐞冪(閾搁搧 b.椹彛閾?c.楂橀€熷悎閲戦挜 d.纰崇礌绾ょ淮"); System.out.println("绛旀:b"); } public void testQuestion2() { System.out.println("鏉ㄨ繃銆佺▼鑻便€侀檰鏃犲弻閾查櫎浜嗘儏鑺?閫犳垚[] " + "a.浣胯繖绉嶆鐗╀笉鍐嶅浜?b.浣夸竴绉嶇弽绋€鐗╃鐏粷 " + "c.鐮村潖浜嗛偅涓敓鐗╁湀鐨勭敓鎬佸钩琛?d.閫犳垚璇ュ湴鍖烘矙婕犲寲"); System.out.println("绛旀:a"); } public void testQuestion3() { System.out.println("钃濆嚖鍑拌嚧浣垮崕灞卞笀寰掋€佹璋峰叚浠欏憰鍚愪笉姝紝濡傛灉浣犳槸澶уか锛屼細缁欎粬浠紑浠€涔堣嵂[] " + "a.闃垮徃鍖规灄 b.鐗涢粍瑙f瘨鐗?c.姘熷懕閰?d.璁╀粬浠枬澶ч噺鐨勭敓鐗涘ザ e.浠ヤ笂鍏ㄤ笉瀵?); System.out.println("绛旀:c"); } } //瀛︾敓涔欐妱鐨勮瘯鍗风被 public class TestPaperB { public void testQuestion1() { System.out.println("鏉ㄨ繃寰楀埌锛屽悗鏉ョ粰浜嗛儹闈栵紝缁冩垚鍊氬ぉ鍓戙€佸睜榫欏垁鐨勭巹閾佸彲鑳芥槸[] " + "a.鐞冪(閾搁搧 b.椹彛閾?c.楂橀€熷悎閲戦挜 d.纰崇礌绾ょ淮"); System.out.println("绛旀:d"); } public void testQuestion2() { System.out.println("鏉ㄨ繃銆佺▼鑻便€侀檰鏃犲弻閾查櫎浜嗘儏鑺?閫犳垚[] " + "a.浣胯繖绉嶆鐗╀笉鍐嶅浜?b.浣夸竴绉嶇弽绋€鐗╃鐏粷 " + "c.鐮村潖浜嗛偅涓敓鐗╁湀鐨勭敓鎬佸钩琛?d.閫犳垚璇ュ湴鍖烘矙婕犲寲"); System.out.println("绛旀:b"); } public void testQuestion3() { System.out.println("钃濆嚖鍑拌嚧浣垮崕灞卞笀寰掋€佹璋峰叚浠欏憰鍚愪笉姝紝濡傛灉浣犳槸澶уか锛屼細缁欎粬浠紑浠€涔堣嵂[] " + "a.闃垮徃鍖规灄 b.鐗涢粍瑙f瘨鐗?c.姘熷懕閰?d.璁╀粬浠枬澶ч噺鐨勭敓鐗涘ザ e.浠ヤ笂鍏ㄤ笉瀵?); System.out.println("绛旀:a"); } } //瀹㈡埛绔唬鐮? public class Main { public static void main(String[] args) { System.out.println("瀛︾敓鐢叉妱鐨勮瘯鍗凤細"); TestPaperA studentA = new TestPaperA(); studentA.testQuestion1(); studentA.testQuestion2(); studentA.testQuestion3(); System.out.println("瀛︾敓涔欐妱鐨勮瘯鍗凤細"); TestPaperA studentB = new TestPaperA(); studentB.testQuestion1(); studentB.testQuestion2(); studentB.testQuestion3(); } }
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//璇曞嵎鐖剁被 public class TestPaper { public void testQuestion1() { System.out.println("鏉ㄨ繃寰楀埌锛屽悗鏉ョ粰浜嗛儹闈栵紝缁冩垚鍊氬ぉ鍓戙€佸睜榫欏垁鐨勭巹閾佸彲鑳芥槸[] " + "a.鐞冪(閾搁搧 b.椹彛閾?c.楂橀€熷悎閲戦挜 d.纰崇礌绾ょ淮"); } public void testQuestion2() { System.out.println("鏉ㄨ繃銆佺▼鑻便€侀檰鏃犲弻閾查櫎浜嗘儏鑺?閫犳垚[] " + "a.浣胯繖绉嶆鐗╀笉鍐嶅浜?b.浣夸竴绉嶇弽绋€鐗╃鐏粷 " + "c.鐮村潖浜嗛偅涓敓鐗╁湀鐨勭敓鎬佸钩琛?d.閫犳垚璇ュ湴鍖烘矙婕犲寲"); } public void testQuestion3() { System.out.println("钃濆嚖鍑拌嚧浣垮崕灞卞笀寰掋€佹璋峰叚浠欏憰鍚愪笉姝紝濡傛灉浣犳槸澶уか锛屼細缁欎粬浠紑浠€涔堣嵂[] " + "a.闃垮徃鍖规灄 b.鐗涢粍瑙f瘨鐗?c.姘熷懕閰?d.璁╀粬浠枬澶ч噺鐨勭敓鐗涘ザ e.浠ヤ笂鍏ㄤ笉瀵?); } } //瀛︾敓鐢叉妱鐨勮瘯鍗? public class TestPaperA extends TestPaper { public void testQuestion1() { super.testQuestion1(); System.out.println("绛旀锛歜"); } public void testQuestion2() { super.testQuestion2(); System.out.println("绛旀锛歜"); } public void testQuestion3() { super.testQuestion3(); System.out.println("绛旀锛歜"); } } //瀛︾敓涔欐妱鐨勮瘯鍗? public class TestPaperB extends TestPaper { public void testQuestion1() { super.testQuestion1(); System.out.println("绛旀锛歜"); } public void testQuestion2() { super.testQuestion2(); System.out.println("绛旀锛歜"); } public void testQuestion3() { super.testQuestion3(); System.out.println("绛旀锛歜"); } } //瀹㈡埛绔唬鐮? public class Main { public static void main(String[] args) { System.out.println("瀛︾敓鐢叉妱鐨勮瘯鍗凤細"); TestPaperA studentA = new TestPaperA(); studentA.testQuestion1(); studentA.testQuestion2(); studentA.testQuestion3(); System.out.println("瀛︾敓涔欐妱鐨勮瘯鍗凤細"); TestPaperA studentB = new TestPaperA(); studentB.testQuestion1(); studentB.testQuestion2(); studentB.testQuestion3(); } }
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鈥滃ぇ楦燂紝杩欎笅瀛愮被灏辩畝鍗曚簡锛屽彧闇€瑕佸~鍐欑瓟妗堝氨鍙€傗€?br>鈥滆繖杩樺彧鏄垵姝ョ殑娉涘寲锛屼綘浠旂粏鐪嬬湅锛屼袱涓鐢熺殑绫婚噷闈紝杩樻湁娌℃湁绫讳技鐨勪唬鐮併€傗€?br>鈥滃晩锛屾劅瑙夌浉鍚岀殑涓滆タ杩樻槸鏈夊晩锛屾瘮濡傞兘鏈塻uper.testQuestion1()鍜孲ystem.out.println("绛旀锛歜")锛屾垜鎰熻闄や簡閫夐」鐨刟bcd锛屽叾浠栭兘鏄噸澶嶇殑銆傗€?br>鈥滆鐨勫ソ鍟婏紝鎴戜滑鏃㈢劧鐢ㄤ簡缁ф壙锛屽苟涓旇偗瀹氳繖涓户鎵挎槸鏈夋剰涔夌殑锛屽氨搴旇瑕佹垚涓哄瓙绫荤殑妯℃澘锛屾墍鏈夐噸澶嶇殑浠g爜閮芥€¢鎮﹁壊涓婂崌鍒扮埗绫诲幓锛岃€屼笉鏄姣忎釜瀛愮被閮藉幓閲嶅銆傗€?br>鈥滈偅璇ュ浣曞仛锛熸垜涓嶇煡閬撲簡銆傗€?br>鈥滃搱锛屾ā鏉挎柟娉曠櫥鍦轰簡锛屽綋鎴戜滑瑕佸畬鎴愬湪鏌愪竴缁嗚妭灞傛涓€鑷寸殑涓€涓繃绋嬫垨涓€绯诲垪姝ラ锛屼絾鍏朵釜鍒楠ゅ湪鏇磋缁嗙殑灞傛涓婄殑瀹炵幇鍙兘涓嶅悓鏃讹紝鎴戜滑閫氬父鑰冭檻鐢ㄦā鏉挎柟娉曟ā寮忔潵澶勭悊銆傜幇鍦ㄦ潵鐮旂┒鐮旂┒鎴戜滑鏈€鍒濈殑璇曢鏂规硶銆傗€?/p>
public void testQuestion1() { System.out.println("鏉ㄨ繃寰楀埌锛屽悗鏉ョ粰浜嗛儹闈栵紝缁冩垚鍊氬ぉ鍓戙€佸睜榫欏垁鐨勭巹閾佸彲鑳芥槸[] "+ "a.鐞冪(閾搁搧 b.椹彛閾?c.楂橀€熷悎閲戦挜 d.纰崇礌绾ょ淮"); System.out.println("绛旀:b"); }
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//璇曢鐖剁被 public class TestPaper { public void testQuestion1() { System.out.println("鏉ㄨ繃寰楀埌锛屽悗鏉ョ粰浜嗛儹闈栵紝缁冩垚鍊氬ぉ鍓戙€佸睜榫欏垁鐨勭巹閾佸彲鑳芥槸[] " + "a.鐞冪(閾搁搧 b.椹彛閾?c.楂橀€熷悎閲戦挜 d.纰崇礌绾ょ淮"); System.out.println("绛旀:" + answer1()); } public void testQuestion2() { System.out.println("鏉ㄨ繃銆佺▼鑻便€侀檰鏃犲弻閾查櫎浜嗘儏鑺?閫犳垚[] " + "a.浣胯繖绉嶆鐗╀笉鍐嶅浜?b.浣夸竴绉嶇弽绋€鐗╃鐏粷 " + "c.鐮村潖浜嗛偅涓敓鐗╁湀鐨勭敓鎬佸钩琛?d.閫犳垚璇ュ湴鍖烘矙婕犲寲"); System.out.println("绛旀:" + answer2()); } public void testQuestion3() { System.out.println("钃濆嚖鍑拌嚧浣垮崕灞卞笀寰掋€佹璋峰叚浠欏憰鍚愪笉姝紝濡傛灉浣犳槸澶уか锛屼細缁欎粬浠紑浠€涔堣嵂[] " + "a.闃垮徃鍖规灄 b.鐗涢粍瑙f瘨鐗?c.姘熷懕閰?d.璁╀粬浠枬澶ч噺鐨勭敓鐗涘ザ e.浠ヤ笂鍏ㄤ笉瀵?); System.out.println("绛旀:" + answer3()); } protected String answer1() { return ""; } protected String answer2() { return ""; } protected String answer3() { return ""; } } //瀛︾敓鐢叉妱璇曞嵎绫? public class TestPaperA extends TestPaper { protected String answer1() { return "b"; } protected String answer2() { return "c"; } protected String answer3() { return "a"; } } //瀛︾敓涔欐妱璇曞嵎绫? public class TestPaperB extends TestPaper { protected String answer1() { return "c"; } protected String answer2() { return "a"; } protected String answer3() { return "a"; } } //瀹㈡埛绔唬鐮? public class Main { public static void main(String[] args) { System.out.println("瀛︾敓鐢叉妱鐨勮瘯鍗凤細"); TestPaper studentA = new TestPaperA(); studentA.testQuestion1(); studentA.testQuestion2(); studentA.testQuestion3(); System.out.println("瀛︾敓涔欐妱鐨勮瘯鍗凤細"); TestPaper studentB = new TestPaperB(); studentB.testQuestion1(); studentB.testQuestion2(); studentB.testQuestion3(); } }
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鈥滆€岃繖鍏跺疄灏辨槸鍏稿瀷鐨勬ā鏉挎柟娉曟ā寮忋€傗€?br>妯℃澘鏂规硶妯″紡锛屽畾涔変竴涓搷浣滀腑鐨勭畻娉曠殑楠ㄦ灦锛岃€屽皢涓€浜涙楠ゅ欢杩熷埌瀛愮被涓€傛ā鏉挎柟娉曚娇寰楀瓙绫诲彲浠ヤ笉鏀瑰彉涓€涓畻娉曠殑缁撴瀯鍗冲彲閲嶅畾涔夎绠楁硶鐨勬煇浜涚壒瀹氭楠ゃ€?br>妯℃澘鏂规硶妯″紡锛圱emplateMethod锛夌粨鏋勫浘
//AbstractClass鏄娊璞$被锛屽叾瀹炰篃灏辨槸涓€鎶借薄妯℃澘锛屽畾涔夊苟瀹炵幇浜嗕竴涓ā鏉挎柟娉曘€傝繖涓ā鏉挎柟娉曚竴鑸槸涓€涓叿浣撴柟娉曪紝瀹冪粰鍑轰簡涓€涓《绾ч€昏緫楠ㄦ灦锛岃€岄€昏緫鐨勭粍鎴愭楠ゅ湪鐩稿簲鐨勬娊璞℃搷浣滀腑锛屾帹杩熷埌瀛愮被瀹炵幇銆傞《绾ч€昏緫涔熸湁鍙兘璋冪敤涓€浜涘叿浣撴柟娉曘€? public abstract class AbstractClass { public abstract void primitiveOperation1(); public abstract void primitiveOperation2(); public void templateMethod() { primitiveOperation1(); primitiveOperation2(); } } //ConcreteClass锛屽疄鐜扮埗鐏版墍瀹氫箟鐨勪竴涓垨澶氫釜鎶借薄鏂规硶銆傛瘡涓€涓狝bstractClass閮藉彲浠ユ湁浠绘剰澶氫釜ConcreteClass涓庝箣鐩稿搴旓紝鑰屾瘡涓€涓狢oncreteClass閮藉彲浠ョ粰鍑鸿繖浜涙娊璞℃柟娉曪紙涔熷氨鏄《绾ч€昏緫鐨勭粍鎴愭楠わ級鐨勪笉鍚岋紝浠庤€屼娇寰楅《绾ч€昏緫鐨勫疄鐜板悇涓嶇浉鍚屻€? public class ConcreteClassA extends AbstractClass { @Override public void primitiveOperation1() { System.out.println("鍏蜂綋绫籄鏂规硶1瀹炵幇"); } @Override public void primitiveOperation2() { System.out.println("鍏蜂綋绫籄鏂规硶2瀹炵幇"); } } public class ConcreteClassB extends AbstractClass { @Override public void primitiveOperation1() { System.out.println("鍏蜂綋绫籅鏂规硶1瀹炵幇"); } @Override public void primitiveOperation2() { System.out.println("鍏蜂綋绫籅鏂规硶2瀹炵幇"); } } //瀹㈡埛绔唬鐮? public class Main { public static void main(String[] args) { AbstractClass c; c = new ConcreteClassA(); c.templateMethod(); c = new ConcreteClassB(); c.templateMethod(); } }
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杞浇浜庯細http://damonshell.sinaapp.com/?p=147
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