题目要求源代码 import java.util.Scanner;public class Kgintopounds { public static void main(String[] args) { // TODO code application logic here System.out.println("千克 磅 磅 千克"); int i=1,a=20; double j=2.2,b=9.09; for(i=1;i<200;) { System.out.print(i+" "); i+=2; System.out.printf("%4f",j);j+=4.4; System.out.print(" "); System.out.print(a+" "); a+=5; System.out.printf("%1f",b); b+=2.07; System.out.print(" "); System.out.println(" "); } } } 运行结果截图