 =================練習一=============== class LianXi{ public static void main(String [] args){ System.out.println(3<<2); System.out.println(24>>2); System.out.println(24>>>2); System.out.println(-24>>2); System.out.println(-24>>>2); } } 結(jié)果： 12 6 6 -6 1073741818  |
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