corejava第10版

corejava第10版/v2ch12/printf4/Printf4Test.java

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+import java.io.*;
+
+/**
+ * @version 1.10 1997-07-01
+ * @author Cay Horstmann
+ */
+class Printf4Test
+{
+   public static void main(String[] args)
+   {
+      double price = 44.95;
+      double tax = 7.75;
+      double amountDue = price * (1 + tax / 100);
+      PrintWriter out = new PrintWriter(System.out);
+      /* This call will throw an exception--note the %% */
+      Printf4.fprint(out, "Amount due = %%8.2f\n", amountDue);
+      out.flush();
+   }
+}