package com; import java.util.Arrays;  public class sjf {   public static void main(String[] args) {    sjf SJF=new sjf();    SJF.fun1();   }   int starttime;   int arrivetime;   int finishtime;   int zhouzhuan;      public void fun1(){    int a[]={1,3,2};    int c[]=new int[3];    for (int i = 0; i < 3; i++) {     c[i]=a[i];    }    Arrays.sort(c);    finishtime=a[0];    int[]d={0,3,3};    int zhouzhuan=finishtime-arrivetime;    float weightzhouzhuan=(float)zhouzhuan/a[0];//位权周转时间为周转时间h    System.out.println("开始时间"+starttime+"\t"+"到达时间"      +arrivetime+"\t"+"完成时间"+finishtime+"\t"+"周转时间"+zhouzhuan+"\t"+"服务时间"+a[0]+"\t"+"带权周转时间"+weightzhouzhuan);    for (int i = 1; i < 3; i++) {     arrivetime=d[i];     if(finishtime>=arrivetime){      starttime=finishtime;      finishtime+=c[i];      zhouzhuan=finishtime-arrivetime;      weightzhouzhuan=(float)zhouzhuan/c[i];      System.out.println("开始时间"+starttime+"\t"+"到达时间"        +arrivetime+"\t"+"完成时间"+finishtime+"\t"+"周转时间"+zhouzhuan+"\t"+"服务时间"+c[i]+"\t"+"带权周转时间"+weightzhouzhuan);     }else{      Arrays.sort(c);      starttime=arrivetime;      finishtime=starttime+c[i];      zhouzhuan=finishtime-arrivetime;      weightzhouzhuan=(float)zhouzhuan/c[i];      System.out.println("开始时间"+starttime+"\t"+"到达时间"        +arrivetime+"\t"+"完成时间"+finishtime+"\t"+"周转时间"+zhouzhuan+"\t"+"服务时间"+c[i]+"\t"+"带权周转时间"+weightzhouzhuan);     }         }   }  }