用java实现英里与千米之间的转换（1英里为1.609千米）

liang183

package nameyu;public class Test {

    /**

     * @param args

     */

    public static void main(String[] args) {

        int miles=1,kilometers=1;

        System.out.printf("%-5s%-5s%-6s%-5s%n","英里","千米","千米","英里");

        double answermiles,answerkilometers;

        for(miles=1,kilometers=20;miles<=10&&kilometers<=65;miles++,kilometers=kilometers+5){

            answerkilometers=miles*2.2;

            answermiles=kilometers*1.609;   

            System.out.printf("%-5d%-5.2f%-6d%-5.2f%n",miles,answerkilometers,kilometers,answermiles);

        }

    }

         }