public static void main(String[] args) { String s = StringUtils.leftPad("?", new String[]{"","",""}.length*2-1 , "?,"); System.out.println(s); }
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好记性不如烂笔头
public static void main(String[] args) { String s = StringUtils.leftPad("?", new String[]{"","",""}.length*2-1 , "?,"); System.out.println(s); }
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