class Date19_02 {  public static void main(String[] arg){   sortOne();  } public static void sortOne(){   Scanner sc1 = new Scanner(System.in);     System.out.print("/n請輸入第1個整數:");   int num1 = sc1.nextInt();   System.out.print("輸入的第1個數字：/t"+num1+"/n");      System.out.print("/n請輸入第2個整數:");   Scanner sc2 = new Scanner(System.in);   int num2 = sc2.nextInt();   if (num2 != num1){    System.out.print("輸入的第2個數字：/t"+num2+"/n");   }else{    System.out.print("輸入的第2個數與第1個重復,請重試/n");    return ;}      System.out.print("/n請輸入第3個整數(輸滿3個即止):");   Scanner sc3 = new Scanner(System.in);   int num3 = sc3.nextInt();   if (num3 != num2){    System.out.print("輸入的第3個數字：/t"+num3+"/n");}   else{    System.out.print("輸入的第3個數有重復,請重試/n");    return ;}      int smaller=0, bigger=0, max=0; //類變量須在聲明時初始化  if (num1 < num2){smaller = num1; bigger = num2;}   else if(num1 > num2){bigger = num1; smaller = num2;}      if (num3 > bigger){max = num3;}   else{max = bigger;}      System.out.print("/n升序排列數字：/n/t");   System.out.print(smaller+" "+bigger+" "+max);  } }

import java.util.Arrays; //此源文件的所有導入須寫在第一個類之前！class Date19_02 { public static void main(String[] arg){   sortTwo();  } public static void sortTwo(){   int[] array1 = new int[3];   for (int x=0; x<array1.length; x++){   Scanner sc = new Scanner(System.in);   System.out.print("/n請輸入整數(輸滿3個即止):");   int num1 = sc.nextInt();   System.out.print("輸入的第"+(x+1)+"個數字："+num1);   array1[x] = num1;   }  Arrays.sort(array1); //使用java標準庫的排序功能模塊 System.out.print("/n/t小==>大排列：/n");  for (int y=0; y<array1.length; y++){   System.out.print(array1[y]+" "); //升序排列后,輸出  }  } }