as of release 1.4, 'assert' is a keyword, and may not be used as an identifier \u5355\u8bcd'assert'\u73b0\u5728\u662fJava\u8bed\u8a00\u7684\u4e00\u90e8\u5206\uff0c\u5177\u6709\u7279\u6b8a\u7684\u542b\u4e49 \uff08\u5b83\u662f\u4e00\u4e2a\u5173\u952e\u5b57\uff09\u3002\u4f60\u4e0d\u80fd\u4f7f\u7528\u5b83\u6765\u547d\u540d\u53d8\u91cf\u6216\u8005\u65b9\u6cd5\u3002 \u8bf7\u9009\u62e9\u5176\u4ed6\u540d\u5b57\u3002 qualified new of static class \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 * is abstract; cannot be instantiated \u6b64\u7c7b\u88ab\u5b9a\u4e49\u4e3a\u62bd\u8c61\u7c7b\u3002\u610f\u5373\u5b83\u5305\u542b\u4e00\u4e9b\u6ca1\u6709\u5b9e\u73b0\u7684\u65b9\u6cd5\uff08\u62bd\u8c61\u65b9\u6cd5\uff09\u3002 \u4f60\u4e0d\u80fd\u521b\u5efa\u62bd\u8c61\u7c7b\u7684\u5bf9\u8c61\uff0c\u9700\u8981\u627e\u6216\u5199\u4e00\u4e2a\u7ee7\u627f\u5b83\u7684\u5b50\u7c7b\u5b9e\u73b0\u6240\u6709\u62bd\u8c61\u65b9\u6cd5\uff0c\u7136\u540e \u53ef\u4ee5\u5b9e\u4f8b\u5316\u8fd9\u4e2a\u7c7b\u3002 abstract methods cannot have a body \u5df2\u58f0\u660e\u4e00\u4e2aabstract\u7684\u65b9\u6cd5\uff0c\u800c\u4e14\u5199\u4e86\u65b9\u6cd5\u4f53\u3002\u4f46\u90a3\u662f\u77db\u76fe\u7684\u3002 Abstract\u548cnative\u65b9\u6cd5\u58f0\u660e\u90fd\u4ec5\u6709\u4e00\u4e2a\u540e\u8ddf\u5206\u53f7\u7684\u65b9\u6cd5\u5934\u3002\u4f60\u6216\u8005\u53bb\u6389 "abstract"\uff0c\u6216\u8005\u53bb\u6389\u65b9\u6cd5\u4f53\u3002 * is already defined in * \u65b9\u6cd5\u4e2d\u6709\u4e00\u4e2a\u53d8\u91cf\uff08\u6216\u4e00\u4e2a\u53c2\u6570\uff09\u6709\u76f8\u540c\u7684\u540d\u5b57\uff0c\u8bf7\u6362\u4e00\u4e2a\u540d\u5b57\u3002 \uff08\u6216\u8005\u4f60\u662f\u8981\u4f7f\u7528\u540c\u4e00\u4e2a\u53d8\u91cf\uff1f\u90a3\u4e48\uff0c\u53bb\u6389\u6b64\u5904\u7684\u7c7b\u578b\u540d\uff0c\u4f7f\u6b64\u8bed \u53e5\u4e0d\u662f\u4e00\u4e2a\u65b0\u7684\u58f0\u660e\uff09 anonymous class implements interface; cannot have arguments \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 anonymous class implements interface; cannot have qualifier for new \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 array required, but * \u4f60\u6240\u4f7f\u7528\u7684\u8bed\u6cd5\u8868\u660e\u4f60\u6b63\u5728\u8bd5\u56fe\u8bbf\u95ee\u4e00\u4e2a\u6570\u7ec4\u5143\u7d20\uff0c\u4f46\u662f\u4f60\u6240\u4f7f\u7528\u7684\u53d8\u91cf \u4e0d\u662f\u4e00\u4e2a\u6570\u7ec4 break outside switch or loop "break"\u5728\u5757\u5916\uff0c\u4f8b\u5982"switch"\u8bed\u53e5\u6216\u5faa\u73af\u8bed\u53e5\uff08"for", "while"\u6216 "do" loop\uff09\u3002\u5b83\u4e0d\u80fd\u5728\u5757\u5916\u4f7f\u7528\u3002 * must be first statement in constructor \u5bf9\u4e8e\u6bcf\u4e2a\u6709\u8d85\u7c7b\u7684\u7c7b\uff0c\u9996\u5148\u5fc5\u987b\u505a\u7684\u662f\u8c03\u7528\u8d85\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\uff0c \u53ef\u4ee5\u901a\u8fc7\u5728\u4f60\u7684\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u7b2c\u4e00\u884c\u52a0\u5165\u5982\u4e0b\u8bed\u53e5\uff1a super(...); \uff08\u7528\u9002\u5f53\u7684\u53c2\u6570\u4ee3\u66ff\u7701\u7565\u53f7\uff09\u6765\u5b9e\u73b0\u6b64\u8c03\u7528\u3002 \u82e5\u8981\u5728\u8c03\u7528\u8d85\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u524d\u8c03\u7528\u5b83\u7684\u6210\u5458\uff0c\u4e00\u5b9a\u4f1a\u9047\u5230\u9ebb\u70e6\u3002 cannot access * \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 cannot assign a value to final variable * \u4f60\u8981\u8d4b\u503c\u7684\u53d8\u91cf\u5df2\u88ab\u58f0\u660e\u4e3a"final",\u610f\u5373\u4f60\u4e0d\u80fd\u4efb\u610f\u6539\u53d8\u5176\u503c\u3002 \u5982\u679c\u4f60\u786e\u5b9e\u60f3\u6539\u53d8\u5b83\u7684\u503c\uff0c\u4ece\u53d8\u91cf\u58f0\u660e\u4e2d\u53bb\u6389\u5173\u952e\u5b57"final"\u3002 type variables cannot be dereferenced \u5bf9\u4e8e\u7c7b\u578b\u53d8\u91cf\uff0c\u4f60\u4e0d\u80fd\u591f\u4f7f\u7528.\u7b26\u53f7\u6765\u8bbf\u95ee\u5176\u6210\u5458\u53d8\u91cf\u6216\u8005\u65b9\u6cd5\u3002 * cannot be dereferenced \u4f60\u6b63\u4f7f\u7528\u70b9\u53f7\u8bbf\u95ee\u4e00\u4e2a\u5bf9\u8c61\u4e2d\u7684\u57df\u6216\u65b9\u6cd5\uff0c\u7136\u800c\u4f60\u6b63\u4f7f\u7528\u7684\u53d8\u91cf\u4e0d\u662f\u5bf9\u8c61\u7c7b\u578b \u7684 - \u5b83\u6ca1\u6709\u57df\u6216\u65b9\u6cd5 cannot inherit from final * \u7236\u7c7b\uff08\u5728\u201cextend\u201d\u5173\u952e\u5b57\u4e4b\u540e\u5217\u51fa\u7684\u7c7b\uff09\u88ab\u58f0\u660e\u4e3afinal\u7c7b\u578b\u3002\u8fd9\u610f\u5473\u7740 * before supertype constructor has been called \u5bf9\u4e8e\u6bcf\u4e2a\u6709\u8d85\u7c7b\u7684\u7c7b\uff0c\u9996\u5148\u5fc5\u987b\u505a\u7684\u662f\u8c03\u7528\u8d85\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\uff0c \u53ef\u4ee5\u901a\u8fc7\u5728\u4f60\u7684\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u7b2c\u4e00\u884c\u52a0\u5165\u5982\u4e0b\u8bed\u53e5\uff1a super(...); \uff08\u7528\u9002\u5f53\u7684\u53c2\u6570\u4ee3\u66ff\u7701\u7565\u53f7\uff09\u6765\u5b9e\u73b0\u6b64\u8c03\u7528\u3002 \u82e5\u8981\u5728\u8c03\u7528\u8d85\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u524d\u8c03\u7528\u5b83\u7684\u6210\u5458\uff0c\u4e00\u5b9a\u4f1a\u9047\u5230\u9ebb\u70e6\u3002 cannot return a value from method whose result type is void \u5728\u65b9\u6cd5\u58f0\u660e\u4e2dvoid\u8fd4\u56de\u7c7b\u578b\u610f\u5473\u7740\u8fd9\u4e2a\u65b9\u6cd5\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\uff0c\u56e0\u6b64\u65b9\u6cd5\u4f53\u4e2d \u4e0d\u80fd\u5305\u542b\u8fd4\u56de\u4e00\u4e2a\u503c\u7684\u8bed\u53e5\u3002 cannot select a static class from a parameterized type \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 * cannot be inherited with different arguments:* \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 'catch' without 'try' "catch"\u662fJava\u7684\u5173\u952e\u5b57\uff0c\u5b83\u53ea\u80fd\u51fa\u73b0\u5728"try"\u8bed\u53e5\u7684\u540e\u9762\u3002\u6b63\u786e\u7684\u683c\u5f0f\u5982\u4e0b\uff1a try { \u8bed\u53e5\uff1b } catch(Exception e) { \u8bed\u53e5\uff1b } * clashes with package of same name \u786e\u5b9a\u7c7b\u548c\u5305\u6709\u4e0d\u540c\u7684\u540d\u5b57\u3002\u901a\u5e38\uff0c\u7c7b\u540d\u5e94\u4ee5\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u800c\u5305\u540d \u4ee5\u5c0f\u5199\u5b57\u6bcd\u5f00\u5934\u3002 code too large for try statement \u5728\u4e00\u4e2atry\u8bed\u53e5\u5757\u4e2d\u6709\u592a\u591a\u7684\u4ee3\u7801\u3002\u628a\u4ee3\u7801\u653e\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u65b9\u6cd5\u4e2d\uff0c \u5e76\u5728\u8fd9\u91cc\u63d2\u5165\u5bf9\u5b83\u7684\u8c03\u7528\u3002 constant expression required \u6b64\u5904\u4f7f\u7528\u7684\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u4e0d\u5408\u6cd5\u3002\u4f60\u53ea\u80fd\u4f7f\u7528\u5e38\u91cf\u3002\u5e38\u91cf\u662f\u6570\u5b57\uff08\u6bd4\u598242\uff09 \u6216\u8005\u88ab\u58f0\u660e\u4e3a"final"\u7684\u6807\u8bc6\u7b26. continue outside of loop "continue"\u8bed\u53e5\u7528\u4e8e\u7acb\u5373\u5f00\u59cb\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u5728\u5faa\u73af\u5916\u5b83\u6ca1\u6709\u610f\u4e49\uff0c\u53ea\u80fd\u7528\u5728 "for", "while"\u6216"do"\u5faa\u73af\u4e2d\u3002 cyclic inheritance involving * \u6b64\u7c7b\u6240\u7ee7\u627f\u7684\u8d85\u7c7b\u7ee7\u627f\u4e8e\u6b64\u7c7b\uff01\u4e0d\u80fd\u5de5\u4f5c\u3002\u4f60\u5fc5\u987b\u786e\u5b9a\u54ea\u4e2a\u662f\u8d85\u7c7b\uff0c\u54ea\u4e2a\u662f\u5b50\u7c7b\u3002 * does not exist \u5728\u8fd9\u91cc\u4f60\u6240\u4f7f\u7528\u7684\u540d\u5b57\uff08\u53ef\u80fd\u662f\u7528\u6765\u6807\u8bc6\u4e00\u4e2a\u53d8\u91cf\uff0c\u4e00\u4e2a\u7c7b\u6216\u8005\u4e00\u4e2a\u5305\uff09\u4e0d\u5b58\u5728\u3002 \u5b83\u65e2\u4e0d\u662f\u4e00\u4e2a\u53d8\u91cf\u7684\u540d\u5b57\uff0c\u4e5f\u4e0d\u662f\u4e00\u4e2a\u7c7b\u6216\u8005\u4e00\u4e2a\u5305\u7684\u540d\u5b57\u3002 duplicate class:* \u5df2\u7ecf\u6709\u4e00\u4e2a\u540c\u540d\u7684\u7c7b\u4e86\u3002 duplicate case label \u5728"switch"\u8bed\u53e5\u4e2d\u4f7f\u7528\u4e86\u540c\u4e00\u4e2a\u6807\u53f7\u4e24\u6b21\u3002 duplicate default label \u5728switch\u8bed\u53e5\u4e2d\u5199\u4e86\u4e24\u904d"default"\u3002\u4e00\u4e2a\u8db3\u591f\u4e86\u3002 'else' without 'if' \u5173\u952e\u5b57'else'\u53ea\u80fd\u51fa\u73b0\u5728'if'\u8bed\u53e5\u4e2d\uff0c\u5f62\u5f0f\u5982\uff1a if (\u6761\u4ef6) \u8bed\u53e5 else \u8bed\u53e5 \u4e5f\u8bb8\u4f60\u4e22\u6389\u4e86\u8bed\u53e5\u7ec4\u7684\u62ec\u53f7\uff1f\u5982\u679c\u5728if\u540e\u6709\u4e0d\u53ea\u4e00\u6761\u8bed\u53e5\uff0c\u5c31\u5e94\u628a\u5b83\u4eec\u62ec\u8d77\u6765\uff0c\u4f8b\u5982\uff1a if (\u6761\u4ef6) { \u8bed\u53e5\u4e00\uff1b \u8bed\u53e5\u4e8c\uff1b } else { \u8bed\u53e5\u4e09\uff1b } empty character literal \u4f60\u5b9a\u4e49\u4e86\u7a7a\u7684\u5b57\u7b26\u3002\u4f60\u4e0d\u80fd\u4f7f\u7528''\u3002\u4e00\u4e2a\u5b57\u7b26\u5e38\u91cf\u662f\u4e00\u4e2a\u88ab\u4e00\u5bf9 \u5355\u5f15\u53f7\u62ec\u8d77\u6765\u7684\u5b57\u7b26\uff0c\u6bd4\u5982'a'\u3002\u7edd\u5927\u591a\u6570\u65f6\u5019\uff0c\u5355\u5f15\u53f7\u4e4b\u95f4\u53ea\u80fd \u6709\u5355\u4e2a\u5b57\u7b26\u3002\u552f\u4e00\u7684\u4f8b\u5916\u662f\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662f\u659c\u6760\uff08\u6240\u8c13\u7684"\u8f6c\u4e49 \u7b26"\uff09\uff0c\u7528\u6765\u8868\u793a\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\uff0c'\n'\u6216\u8005'\t' * has already been caught \u8fd9\u4e2acatch\u8bed\u53e5\u662f\u6ca1\u6709\u7528\u7684\u3002\u5b83\u6c38\u8fdc\u4e5f\u4e0d\u4f1a\u88ab\u6267\u884c\u5230\u3002\u56e0\u4e3a\u6240\u6709 \u5b83\u58f0\u660e\u7684\u8981\u5904\u7406\u7684\u5f02\u5e38\u5df2\u7ecf\u88ab\u5b83\u4e0a\u9762\u7684catch\u8bed\u53e5\u5904\u7406\u4e86\u3002 * is never thrown in body of corresponding try statement \u4f60\u58f0\u660e\u4e86\u4e00\u4e2a\u6355\u83b7\u7684\u4f8b\u5916\uff0c\u4f46\u662f\u8fd9\u4e2a\u4f8b\u5916\u5c06\u6c38\u4e0d\u4f1a\u88ab\u629b\u5f03\uff01 \u5728"try"\u7684\u8bed\u53e5\u5757\u4e2d\u6ca1\u6709\u629b\u5f03\u8fd9\u4e2a\u4f8b\u5916\u3002 'finally' without 'try' "finally""\u662fJava\u7684\u5173\u952e\u5b57\uff0c\u5b83\u53ea\u80fd\u51fa\u73b0\u5728"try"\u8bed\u53e5\u7684\u540e\u9762\u3002\u6b63\u786e\u7684\u683c\u5f0f\u5982\u4e0b\uff1a try { \u8bed\u53e5\uff1b } catch(Exception e) { \u8bed\u53e5\uff1b } finally { \u8bed\u53e5\uff1b } floating point number too large \u7cfb\u7edf\u4e0d\u80fd\u5904\u7406\u8fd9\u4e48\u5927\u7684\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570. floating point number too small \u7cfb\u7edf\u4e0d\u80fd\u5904\u7406\u8fd9\u4e48\u5c0f\u7684\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570. inner classes cannot have static declarations \u4e0d\u80fd\u5728\u5d4c\u5957\u7c7b\u4e2d\u58f0\u660e\u9759\u6001\u7c7b\u578b\u3002\u5982\u679c\u5728\u6b64\u5904\u9700\u8981\u9759\u6001\u7c7b\u578b\uff0c\u53ea\u80fd\u5728\u5916\u90e8\u7c7b\u4e2d\u58f0\u660e\u3002 illegal character:* \u6e90\u6587\u4ef6\u7684\u8fd9\u4e2a\u5730\u65b9\u6709\u4e00\u4e2a\u975e\u6cd5\u5b57\u7b26\u3002\u8fd9\u4e2a\u5b57\u7b26\u53ef\u80fd\u662f\u4e0d\u53ef\u89c1\u7684\u3002 \u5982\u679c\u4f60\u4e0d\u80fd\u53d1\u73b0\u5b83\u5e76\u5220\u6389\u5b83\uff0c\u90a3\u4e48\u5220\u6389\u6574\u884c\u91cd\u65b0\u8f93\u5165\u3002 illegal combination of modifiers: * \u4f60\u6b63\u5728\u8bd5\u56fe\u4e00\u8d77\u4f7f\u7528\u5728Java\u4e2d\u662f\u975e\u6cd5\u7ec4\u5408\u7684\u4e00\u5bf9\u4fee\u9970\u7b26\u3002\u5f88\u53ef\u80fd\u5b83\u4eec\u7684 \u610f\u601d\u6b63\u597d\u662f\u5f7c\u6b64\u77db\u76fe\u7684\u3002\u4e00\u4e2a\u4f8b\u5b50\u662f\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u4e3aabstract\uff0c\u5e76\u4e14\u662f final, private \u6216\u8005 synchronized\u7684\u3002 illegal escape character \u4e00\u4e2a\u8f6c\u4e49\u5b57\u7b26\u7531\u4e00\u4e2a\u53cd\u659c\u7ebf\u548c\u4e00\u4e2a\u5b57\u7b26\u7ec4\u6210,\u4f8b\u5982:'\n'.\u7528\u4e8e\u6807\u8bb0\u7279\u6b8a\u5b57\u7b26. \u5728\u53cd\u659c\u7ebf\u540e\u6240\u8ddf\u7684\u5b57\u7b26\u662f\u7531\u9650\u5236\u7684,\u4ed6\u4eec\u53ea\u80fd\u662f\n, \t, \b, \r, \f, \\, \', \" \u548c\u6570\u5b57.\u5982\u679c\u4f60\u60f3\u5199\u4e00\u4e2a\\u5b57\u7b26\u672c\u8eab,\u8981\u5199\u6210"\\"--\u5728\u4f60\u7684\u5b57\u7b26\u4e32\u4e2d\u4f1a\u663e\u793a \u4e00\u4e2a\u5355\u4e2a\u7684\. illegal forward reference \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 illegal initializer for * \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 illegal line end in character literal \u5728\u5b57\u9762\u4e0a\u9700\u8981\u6362\u884c\u7684\u5730\u65b9\u4f60\u4f7f\u7528\u771f\u6b63\u7684\u56de\u8f66\u7b26\uff0c\u4f60\u4e0d\u80fd\u8fd9\u4e48\u505a\u3002 \u5982\u679c\u4f60\u60f3\u8f93\u5165\u4e00\u4e2a\u8868\u793a\u6362\u884c\u7684\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528'\n'\u3002 illegal qualifier; {0} is not an inner class \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 illegal start of expression \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 illegal start of type \u6e90\u6587\u4ef6\u4e2d\u8fd9\u4e2a\u5730\u65b9\u9700\u8981\u4e00\u4e2a\u7c7b\u578b\u8bf4\u660e\uff0c\u4f46\u73b0\u5728\u5374\u662f\u5176\u4ed6\u7684\u4e00\u4e9b\u4e1c\u897f \uff08\u5f88\u53ef\u80fd\u662f\u4e00\u4e2aJava\u5173\u952e\u5b57\uff09\u3002\u68c0\u67e5\u8be5\u884c\u662f\u4e0d\u662f\u6709\u9519\u8bef\u7684\u7c7b\u578b\u5b9a\u4e49\u3002 illegal unicode escape \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 improperly formed type, some parameters are missing \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 incomparable types: * \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 integer number too large: * \u4f60\u5199\u4e86\u4e00\u4e2a\u592a\u5927\u6216\u592a\u5c0f\u7684\u6570\u5b57,\u4ed6\u4e0d\u7b26\u5408\u8be5\u6570\u636e\u7c7b\u578b\u7684\u5b9a\u4e49,\u4f60\u9700\u8981\u5b9a\u4e49 \u4e00\u4e2a\u66f4\u5c0f\u6216\u66f4\u5927\u7684\u6570\u636e\u7c7b\u578b(\u4f8b\u5982:\u7528"long"\u4ee3\u66ff"int"). internal error; cannot instantiate * \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 * but with different return type \u4f60\u53ef\u80fd\u8bd5\u56fe\u5b9a\u4e49\u4e24\u4e2a\u9664\u4e86\u8fd4\u56de\u503c\u4e0d\u540c\u4ee5\u5916\u90fd\u76f8\u540c\u7684\u65b9\u6cd5\u539f\u578b\u3002 \u8fd9\u662f\u4e0d\u5141\u8bb8\u7684\u3002\u8fd9\u79cd\u60c5\u51b5\u5f88\u6709\u53ef\u80fd\u662f\u56e0\u4e3a\u4f60\u7684\u7c7b\u5b9e\u73b0\u4e86\u4e24\u4e2a\u63a5\u53e3\u3002 \u6bcf\u4e2a\u63a5\u53e3\u90fd\u5305\u542b\u4e86\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5177\u6709\u540c\u6837\u7684\u540d\u5b57\u548c\u53c2\u6570\uff0c\u4f46\u662f\u4e0d\u540c \u7684\u8fd4\u56de\u503c\u3002\u4f60\u4e0d\u80fd\u540c\u65f6\u5b9e\u73b0\u8fd9\u4e24\u4e2a\u63a5\u53e3\uff0c\u9664\u975e\u4f60\u6539\u53d8\u5176\u4e2d\u4e4b\u4e00\u6765 \u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u3002\u6216\u8005\u6539\u53d8\u65b9\u6cd5\u540d\u5b57\uff0c\u6216\u8005\u4f7f\u8fd4\u56de\u7c7b\u578b\u76f8\u540c\u3002 interface expected here \u5173\u952e\u5b57"implements"\u540e\u5fc5\u987b\u662f\u63a5\u53e3\u540d\u3002\u4f60\u5199\u7684\u4e0d\u662f\u63a5\u53e3\uff08\u5b83\u53ef\u80fd\u662f\u7c7b\uff09\u3002 \u5982\u679c\u8981\u7ee7\u627f\u4e8e\u7c7b\uff0c\u5e94\u7528\u5173\u952e\u5b57"extends"\u3002 interface methods cannot have body \u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u53ea\u80fd\u88ab\u5b9a\u4e49\u3002\u4e5f\u5c31\u662f\u8bf4\u4ed6\u4eec\u5e94\u8be5\u7531\u4e00\u4e2a\u5934 \u548c\u7d27\u8ddf\u6c14\u5019\u7684\u4e00\u4e2a\u5206\u53f7\u7ec4\u6210\uff0c\u4e0d\u80fd\u6709\u65b9\u6cd5\u4f53\u3002 hexadecimal numbers must contain at least one hexadecimal digit \u4f60\u5b9a\u4e49\u4e86\u4e00\u4e2a16\u8fdb\u5236\u6570,(\u5b83\u4ee5"0X"\u5f00\u5934)\u5bf9\u4e8e\u4e00\u4e2a16\u8fdb\u5236\u6570,\u5fc5\u987b\u5728"X"\u540e\u81f3\u5c11\u6709 \u4e00\u4e2a\u6570\u5b57. invalid method declaration; return type required \u65b9\u6cd5\u58f0\u660e\u4e2d\u5fc5\u987b\u6709\u8fd4\u56de\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a\u5982\u679c\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5219\u5199\uff1a public String myMethod(); \u5982\u679c\u4f60\u4e0d\u9700\u8981\u8fd4\u56de\u503c\uff0c\u5e94\u4f7f\u7528\u7279\u6b8a\u5173\u952e\u5b57"void"\u6307\u660e\u6ca1\u6709\u8fd4\u56de\u7c7b\u578b\u3002\u4f8b\uff1a public void myMethod(); * already in use \u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\u5df2\u7ecf\u5df2\u7ecf\u6709\u4e00\u4e2a\u53d8\u91cf\uff08\u4e5f\u53ef\u80fd\u662f\u4e00\u4e2a\u53c2\u6570\uff09 \u4f7f\u7528\u4e86\u540c\u6837\u7684\u540d\u5b57\u3002\u4e3a\u8fd9\u4e2a\u53d8\u91cf\u53d6\u4e00\u4e2a\u4e0d\u540c\u7684\u540d\u5b57\u3002\uff08\u4e5f \u53ef\u80fd\u4f60\u5c31\u662f\u60f3\u5728\u8fd9\u91cc\u4f7f\u7528\u8be5\u53d8\u91cf\uff1f\u90a3\u4e48\u5220\u9664\u8fd9\u91cc\u7684\u7c7b\u578b\u540d \u5b57\uff0c\u4f7f\u5b83\u4e0d\u518d\u662f\u4e00\u4e2a\u58f0\u660e\u8bed\u53e5\u3002\uff09 * is accessed from within inner class; needs to be declared final \u5c40\u90e8\u53d8\u91cf\u901a\u5e38\u662f\u4e0d\u80fd\u88ab\u5185\u90e8\u7c7b\u8bbf\u95ee\u7684\u3002\u4f46\u5728\u8fd9\u91cc\u4f60\u786e\u5b9e\u8fd9\u4e48\u505a\u4e86\u3002 \u4f60\u6709\u4e24\u4e2a\u9009\u62e9\uff1a\u4f60\u53ef\u4ee5\u53bb\u9664\u8fd9\u4e2a\u5bf9\u5c40\u90e8\u53d8\u91cf\u7684\u8bbf\u95ee\uff0c\u6216\u8005\u4f60\u53ef\u4ee5\u628a \u8fd9\u4e2a\u53d8\u91cf\u58f0\u660e\u4e3a"final" - \u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u8bbf\u95ee\u5b83\u4e86\u3002 malformed floating point literal \u4f60\u5728\u5199\u6d6e\u70b9\u6570\u65f6\u72af\u4e86\u4e00\u4e2a\u9519\u8bef,(\u6d6e\u70b9\u6570\u662f\u5e26\u5c0f\u6570\u70b9\u7684\u6570.) \u6b63\u786e\u7684\u6d6e\u70b9\u6570\u5982\u4e0b\u6240\u793a: 18.0 18. 1.8e1 .18E2 missing method body, or declare abstract \u65b9\u6cd5\u6216\u8005\u662f\u62bd\u8c61\u7684\uff0c\u6216\u8005\u6709\u65b9\u6cd5\u4f53\u3002\u65b9\u6cd5\u4f53\u662f\u8ddf\u5728\u65b9\u6cd5\u5934\u540e\u9762\uff0c\u7531{ }\u62ec\u8d77\u7684\u5757\uff0c\u91cc\u8fb9\u5305\u542b\u4e00\u4e9b\u8bed\u53e5\u3002 \u5982\u679c\u65b9\u6cd5\u6ca1\u6709\u65b9\u6cd5\u4f53\uff0c\u5219\u5fc5\u987b\u5728\u65b9\u6cd5\u5934\u90e8\u6709\u5173\u952e\u5b57\uff0c\u4f8b\u5982\uff1a public abstract int getAnswer(); missing return statement \u4f60\u4f7f\u7528\u4e86\u4e00\u4e2a\u6709\u8fd4\u56de\u503c\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u5728\u65b9\u6cd5\u4f53\u5185\u6ca1\u6709"return"\u8bed\u53e5\u3002 \u8fd9\u4e0d\u5408\u9002\uff0c\u5e94\u8be5\uff1a - \u5982\u679c\u4f60\u4e0d\u9700\u8981\u8fd4\u56de\u503c\uff0c\u58f0\u660e\u65b9\u6cd5\u7684\u8fd4\u56de\u7c7b\u578b\u4e3a"void"\uff0c\u6216 - \u5728\u65b9\u6cd5\u7684\u7ed3\u5c3e\u5199\u4e00\u6761\u5e26\u6b63\u786e\u8fd4\u56de\u7c7b\u578b\u7684"return"\u8bed\u53e5\uff0c\u4f8b\uff1a return 42; \u8fd4\u56de\u7684\u7c7b\u578b\u5fc5\u987b\u4e0e\u65b9\u6cd5\u5934\u90e8\u58f0\u660e\u7684\u7c7b\u578b\u4e00\u81f4 missing return value \u65b9\u6cd5\u4e2d\u6709\u4e00\u6761\u6ca1\u6709\u8fd4\u56de\u503c\u7684'return'\u8bed\u53e5\uff0c\u7136\u800c\u65b9\u6cd5\u7684\u5934\u90e8\u58f0\u660e\u6709\u8fd4\u56de\u503c\u3002 \u4f60\u5e94\u8be5\u58f0\u660e\u6b64\u65b9\u6cd5\u4e3a\u6709\u8fd4\u56de\u503c(\u5728\u65b9\u6cd5\u7684\u5934\u90e8\u4f7f\u7528\u201dvoid\u201d\u4f5c\u4e3a\u8fd4\u56de\u7c7b\u578b)\uff0c \u6216\u8005\u4f60\u5fc5\u987b\u8fd4\u56de\u4e00\u4e2a\u6709\u6b63\u786e\u7c7b\u578b\u7684\u503c\uff0c\u4f8b\uff1a return 42; \u6216\uff1a return "Marvin"; name clash: * \u4f60\u5b9a\u4e49\u4e86\u4e24\u4e2a\u5177\u6709\u540c\u6837\u540d\u5b57\u7684\u65b9\u6cd5\u3002\u53ea\u6709\u5f53\u5176\u4e2d\u4e00\u4e2a\u91cd\u5199\u53e6\u4e00\u4e2a\u7684 \u65f6\u5019\u8fd9\u624d\u662f\u5141\u8bb8\u7684\uff08\u8fd9\u91cc\u4e0d\u662f\u8fd9\u79cd\u60c5\u51b5\uff09\u3002\u5176\u4e2d\u4e00\u4e2a\u65b9\u6cd5\u7684\u540d\u5b57\u9700 \u8981\u88ab\u6539\u53d8\u3002 * is reserved for internal use \u88ab\u663e\u793a\u7684\u77ed\u8bed\u662f\u5185\u90e8\u4fdd\u7559\u4f7f\u7528\u7684\uff0c\u5982\u679c\u5b83\u662f\u4e00\u4e2a\u53d8\u91cf\u6216\u8005\u7c7b\u7684 \u540d\u5b57\uff0c\u4f60\u9700\u8981\u6539\u53d8\u5b83\u3002 native methods cannot have a body \u5df2\u58f0\u660e\u4e00\u4e2anative\u7684\u65b9\u6cd5\uff0c\u800c\u4e14\u5199\u4e86\u65b9\u6cd5\u4f53\u3002\u4f46\u90a3\u662f\u77db\u76fe\u7684\u3002 native\u65b9\u6cd5\u58f0\u660e\u90fd\u4ec5\u6709\u4e00\u4e2a\u540e\u8ddf\u5206\u53f7\u7684\u65b9\u6cd5\u5934\u3002\u4f60\u6216\u8005\u53bb\u6389 "native"\uff0c\u6216\u8005\u53bb\u6389\u65b9\u6cd5\u4f53\u3002 no enclosing instance of type {0} is in scope \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 no interface expected here \u8fd9\u91cc\u4f60\u6b63\u5728\u4f7f\u7528\u4e00\u4e2a\u63a5\u53e3\uff08\u53ef\u80fd\u5728\u4e00\u4e2a\u7c7b\u58f0\u660e\u7684extends\u4fee\u9970\u4e2d\uff09 \u4e00\u4e2a\u7c7b\u53ea\u80fd\u6269\u5c55\u5176\u5b83\u7684\u7c7b\uff08\u4e0d\u662f\u63a5\u53e3\uff09\u3002\u5982\u679c\u8981\u7ee7\u627f\u63a5\u53e3\uff0c \u4f7f\u7528\u5173\u952e\u5b57"implements" {0} has no match in entry in {1}; required {2} \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 * is not defined in a public class or interface; cannot be accessed from outside package \u6ca1\u6709\u5e2e\u52a9\u53ef\u7528 * cannot be accessed from outside package \u60a8\u5728\u8fd9\u91cc\u8bd5\u56fe\u4f7f\u7528\u7684\u7c7b\u4e0d\u662f\u4e00\u4e2apublic\u7684\u7c7b\u3002 \u4e5f\u5c31\u662f\u8bf4\uff1a\u5b83\u7684\u5b9a\u4e49\u4e0d\u662f\u4ee5\u5982\u4e0b\u7684\u4ee3\u7801\u5f00\u59cb public class ... \u5982\u679c\u4e00\u4e2a\u7c7b\u4e0d\u662fpublic\uff0c\u5b83\u5c31\u4e0d\u80fd\u5728\u5b83\u6240\u5728\u7684package\u4ee5\u5916\u4f7f\u7528\u3002 \u5982\u679c\u4f60\u786e\u5b9e\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u7c7b\uff0c\u4f60\u5fc5\u987b\u6539\u53d8\u5b83\u7684\u58f0\u660e\u4f7f\u5176\u53d8\u4e3apublic\u3002 not a loop label: * \u4f60\u4e3a\u5faa\u73af\u64cd\u4f5c\u5b9a\u4e49\u7684\u6807\u7b7e\uff0c\u6bd4\u5982 continue