TQC107 ~ TQC110 答案

TQC107+ J2 f+ _' A, A4 i. S7 `0 s$ Z: N9 O
public class test{) I0 D  d3 z' q% Z% U
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      public static void main(String args[]){* d( s  L0 C( `9 o

            //0 1 2 3 " D" U* b" C, `1 N
            //1 1 2 3
            //2 1 2 33 W* [( `) K4 {: o
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            float tot = 0 ;$ f3 C+ f( E4 @" L7 r3 S  o
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);; C# W1 S0 s8 X* K% Q" |+ S
            }
            tot /= (args.length-1) ;: c, B" |$ P" x5 \7 s
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            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){5 B$ M3 [* _4 Z, j3 A3 [
                     System.out.printf("平均值:%.1f",tot);
            }else{9 \9 J/ N1 g3 f
                     System.out.printf("平均值:%.2f",tot);4 n- Z7 q' L) V8 k1 T- ^
            }3 u% P, P, [3 f. r3 v

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      }
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TQC108
import java.lang.*;
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public class TQC108
{
  public static void main(String[] args)                                        3 @' F" }# e2 F
  {
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();% m% x0 S; P2 q" A
}
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}

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TQC109
public class TQC109 {: s0 [6 A; v5 B3 l; \" b
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;0 q$ Z" U& O; K0 h* V
double vol = r*r*r*Math.PI*43;" c( A) [" V' A3 H
System.out.println( "隨機產生的半徑為：" + r );
System.out.println( "計算後，直徑為：" + (2*r) );# p" F$ V' v# n. M6 ]. {
System.out.println( "計算後，圓面積為：" + area );
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);
System.out.println( "計算後，圓體積為：" + vol );; }; x2 ?) J( g$ m) X
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);
  }
}9 G3 J6 C& b6 a

TQC110 1 G/ n5 L) K  Q/ m" m# a2 ]' B, T
import java.io.*;1 R( f6 f& K% m- U$ X" P
import java.util.Date;3 L8 d0 c/ d9 J- m+ ?' O$ D
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class TQC110{
      String items[][];9 G  |9 R0 T  [
      long start, end;
      Date d;
      BufferedReader br;
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      public static void main(String args[]){. B/ I, A( C( p7 A7 `6 `
         int total = args.length;
         int pairs = total / 2;( @) c9 W, J( M6 L0 s% ~! w
         TQC110 tte;8 K* R3 M3 J5 B$ W- T* J: h
         if(total != 0 && pairs != 0)4 I& ]2 R0 ?+ x5 X
         {
            //get value from args..# J! l$ B! M7 ~. p8 U1 A
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){! B/ g* {4 L* b/ f1 E  Y. |
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];+ ?( N" J: G; C/ O. f
            }0 U" W" l* h8 Y2 r* U" {" }
            tte = new TQC110(tt);! Z) U, `+ w8 R4 ^; R0 H: |! S
         }else- _, L+ a0 v- }
               tte = new TQC110();
         tte.start();" H7 F+ c$ u4 ?& u8 j" W: R' R
      }

      TQC110(){% s3 N3 Z. ]) U* w, t  A1 S8 s4 ^
         items = new String[5][2];/ P3 o" _7 ^9 l* h
         items[0][0] = "電腦";, Q/ S. q! J0 c- d; a7 `/ V$ V& l
         items[0][1] = "computer";
         items[1][0] = "資料庫";1 K& I# v8 x7 B8 g
         items[1][1] = "database";
         items[2][0] = "語法";7 m# q  `) Z4 q0 r0 r4 y
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";7 q7 D, q6 s' @
         items[4][0] = "假期";5 m2 l1 y5 L/ O& l2 W
         items[4][1] = "vacation";
         //make default value9 r$ s8 F% ?% x) [8 n
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      TQC110(String[][] it){8 @, V. X. b0 O/ W  M7 ~
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));
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      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數
         d = new Date();* s. `# u  v( ]
         start = d.getTime();  // 開始答題時間
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");
         System.out.println("輸入英文單字答案後請按Enter鍵：");* o, k2 N6 _; h4 F( y3 F  N# l& T
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{
                  ans = br.readLine();
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            catch(IOException ioexception){7 M1 g' p1 b0 N# r
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;
                  System.out.println("答對了!");
                  //count correct/ _; Z1 N; L+ Y
                  //ouput correct message
            }else{* ]5 S  |! b1 \
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);/ W5 J& H) M, X/ Z$ w. g  `
                  //ouput incorrect message
            }
         }
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         d = new Date();% {- I- h: k' c+ p& J7 w" w8 g
         end = d.getTime(); // 結束答題時間: f5 M+ v: @# ~: U
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");+ ]9 ~) b3 t8 J) H9 e+ X  P
         System.out.println(items.length + "題中答對了" + correct + "題");! \! \- k- @7 x4 x
      }
}

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TQC107 ~ TQC110 答案

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