Java 中的 "and" 和 "两个 and"：含义解析

"and" \u662f\u82f1\u8bed\u4e2d\u7684\u8fde\u8bcd\uff0c\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u8bcd\u3001\u77ed\u8bed\u6216\u53e5\u5b50\u3002\n\n\u800c\u201c\u4e24\u4e2a and\u201d\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u610f\u4e49\uff0c\u5177\u4f53\u7684\u610f\u4e49\u8981\u57fa\u4e8e\u5b58\u5728\u7684\u4e0a\u4e0b\u6587\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u89e3\u91ca\uff1a\n\n1\uff0e\u5728\u903b\u8f91\u8fd0\u7b97\u4e2d\uff0c\u201c\u4e24\u4e2a and\u201d\u8868\u793a\u903b\u8f91\u4e0e\u8fd0\u7b97\uff08AND\uff09\uff0c\u5728\u5e03\u5c14\u5927\u6570\u4e2d\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u547d\u90a6\uff0c\u53ea\u6709\u5f53\u4e24\u4e2a\u547d\u90a6\u90fd\u4e3a\u771f\u65f6\uff0c\u6574\u4e2a\u547d\u90a6\u624d\u4e3a\u771f\u3002\u4f8b\u5982\uff1aA and B\uff0c\u8868\u793a A\u548c B\u90fd\u4e3a\u771f\u65f6\uff0c\u6574\u4e2a\u547d\u90a6\u4e3a\u771f\u3002\n\n2\uff0e\u5728\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u201c\u4e24\u4e2a and\u201d\u8868\u793a\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u53f7\uff08&&\uff09\uff0c\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u6761\u4ef6\u662f\u5426\u540c\u65f6\u4e3a\u771f\u3002\u4f8b\u5982\uff1aif (A && B) { ... }\uff0c\u8868\u793a\u5f53 A\u548c B\u90fd\u4e3a\u771f\u65f6\uff0c\u6267\u884c\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002\n\n\u8bf7\u6ce8\u610f\uff0c\u4e0a\u8ff0\u89e3\u91ca\u53ea\u662f\u5e38\u89c1\u7684\u4f7f\u7528\uff0c\u5177\u4f53\u7684\u610f\u4e49\u8fd8\u8981\u6839\u636e\u5177\u4f53\u7684\u8bed\u5883\u548c\u9886\u57df\u6765\u786e\u5b9a\u3002