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菜鸟弱弱地问。。。。1004如何在java控制格式输出,比如1004,应当如何输入 望指点一下 import java.io.* ; import java.util.* ; import java.text.* ; public class Main { private static double sum = 0.0 ; private static double temp ; private static final int count = 12 ; public static void main( String[] args) throws IOException { BufferedReader input = new BufferedReader( new InputStreamReader(System.in)) ; NumberFormat dollars = NumberFormat.getInstance(); dollars.setMaximumFractionDigits(2); for( int i = 1; i <= count ; i ++) { temp = Double.parseDouble(input.readLine()) ; sum += temp ; } System.out.println("$"+dollars.format(sum/count*1.0)) ; ---1 这个不行 System.out.print("$"+sum/count) ; ---2 这个也不行 } } Followed by: Post your reply here: |
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