java涓Щ浣嶈繍绠楃鎬庝箞浣跨敤
扬州沐宇科技
2023-09-25 16:36:52
Java涓殑绉讳綅杩愮畻绗︽湁涓夌锛氬乏绉讳綅杩愮畻绗︼紙<<锛夈€佸彸绉讳綅杩愮畻绗︼紙>>锛夊拰鏃犵鍙峰彸绉讳綅杩愮畻绗︼紙>>>锛夈€傚畠浠敤浜庡皢涓€涓簩杩涘埗鏁板悜宸︽垨鍚戝彸绉诲姩鎸囧畾鐨勪綅鏁般€?/p>
- 宸︾Щ浣嶈繍绠楃锛?lt;<锛夛細灏嗕竴涓暟鐨勪簩杩涘埗琛ㄧず鍚戝乏绉诲姩鎸囧畾鐨勪綅鏁帮紝骞跺湪鍙充晶琛ラ浂銆備緥濡傦紝a << b 琛ㄧず灏?a 鍚戝乏绉诲姩 b 浣嶃€?/li>
绀轰緥锛歩nt a = 5; int b = a << 2; // b = 20
- 鍙崇Щ浣嶈繍绠楃锛?gt;>锛夛細灏嗕竴涓暟鐨勪簩杩涘埗琛ㄧず鍚戝彸绉诲姩鎸囧畾鐨勪綅鏁帮紝骞跺湪宸︿晶鐢ㄥ師鏉ョ殑鏈€楂樹綅濉厖銆傚鏋滆鏁颁负姝ｆ暟锛屽垯鐢?濉厖锛涘鏋滀负璐熸暟锛屽垯鐢?濉厖銆備緥濡傦紝a >> b 琛ㄧず灏?a 鍚戝彸绉诲姩 b 浣嶃€?/li>
绀轰緥锛歩nt a = 16; int b = a >> 2; // b = 4
- 鏃犵鍙峰彸绉讳綅杩愮畻绗︼紙>>>锛夛細灏嗕竴涓暟鐨勪簩杩涘埗琛ㄧず鍚戝彸绉诲姩鎸囧畾鐨勪綅鏁帮紝骞跺湪宸︿晶鐢?濉厖銆傛棤璁鸿鏁颁负姝ｆ暟杩樻槸璐熸暟锛岄兘鐢?濉厖銆備緥濡傦紝a >>> b 琛ㄧず灏?a 鍚戝彸绉诲姩 b 浣嶃€?/li>
绀轰緥锛歩nt a = -16; int b = a >>> 2; // b = 1073741820
绉讳綅杩愮畻绗﹀彲浠ヤ娇鐢ㄥ湪鏁存暟绫诲瀷涓婏紝鍖呮嫭byte銆乻hort銆乮nt鍜宭ong銆傜Щ浣嶈繍绠楃鐨勬搷浣滄暟鍙互鏄父閲忋€佸彉閲忔垨琛ㄨ揪寮忋€?/p>
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