單項(xiàng)選擇題

【分錄題】(10-6)請(qǐng)閱讀程序,然后寫(xiě)出程序運(yùn)行結(jié)果。 public class Demo7 { public static void main(String args[]) { System.out.println(validate("[0-9]+","456546gfg")); } public static boolean validate(String pat,String msg) { return Pattern.compile(pat).matcher(msg).matches(); } }

A.out.println(validate("[0-9]+","456546gfg"));
B.compile(pat).matcher(msg).matches();
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