TQC107 ~ TQC110 答案

TQC107
public class test{+ L4 y. `  H+ e& Z/ g  \
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      public static void main(String args[]){

            //0 1 2 3 & u  @" Y5 z/ h
            //1 1 2 3
            //2 1 2 3
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            float tot = 0 ;) ^* S# f. Z, |
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);  m6 q$ x0 W! [
            }
            tot /= (args.length-1) ;

            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);) b  N8 C7 ]1 _
            }else if(args[0].equals("1")){  L& p3 `4 |; G/ R
                     System.out.printf("平均值:%.1f",tot);* v, T/ V2 x% U/ F7 f
            }else{# H$ M+ O- M, V$ R4 l" M
                     System.out.printf("平均值:%.2f",tot);
            }
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      }

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TQC108
import java.lang.*;4 a) C9 |* Y/ ?9 i9 `: E
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public class TQC108+ ^+ M) |' V1 ?8 ]0 S
{; R0 ~# v! j0 I4 n; O& r
  public static void main(String[] args)
  {
for(int i = 1 ; i< 10 ; i++){8 n! g3 c8 u0 G/ [+ ~; Y5 N" C
   for(int j = 1 ; j <10 ; j++)- s5 y. B2 T! _& k0 n
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");, e9 \, f( o. ^( a, H
   System.out.println();
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  }
}
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TQC109
public class TQC109 {+ o, t9 Q( \4 V0 d. M7 s: ^* `- j
  public static void main(String args[]) {
int r;/ e  L1 V. B" N6 W$ s' i
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;% I% v8 b5 q( y9 |! r) J0 N' c
double vol = r*r*r*Math.PI*43;
System.out.println( "隨機產生的半徑為：" + r );  E3 T; E& C" ^" }  H
System.out.println( "計算後，直徑為：" + (2*r) );
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);, p! b8 q! E- n. e8 c
System.out.println( "計算後，圓體積為：" + vol );3 {+ w( Z* [  b
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);
  }
}

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TQC110
import java.io.*;
import java.util.Date;
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class TQC110{9 X* y0 Q, s: m: I( G( g& H' R
      String items[][];: b9 I1 n$ W- M# u
      long start, end;
      Date d;
      BufferedReader br;7 D0 G% _) T# _6 Z: o+ Q1 ~& S
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      public static void main(String args[]){) n: j7 ^4 d8 }4 B# z. ?4 v! M
         int total = args.length;
         int pairs = total / 2;
         TQC110 tte;
         if(total != 0 && pairs != 0)
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            //get value from args..
            String[][] tt = new String[pairs][2];- D! ]1 F/ @/ T7 U/ T% W2 j/ w
            for(int i=0; i<pairs; i+=2){9 d+ j3 h9 W4 F+ C2 j+ J
                  tt[i][0] = args[i];% z; V1 m" r. T% o
                  tt[i][1] = args[i+1];
            }1 }; s/ j+ s* u! u7 D
            tte = new TQC110(tt);2 V- w7 K% K2 b! u7 M' A1 J9 v
         }else1 Y2 F2 @+ T& [- n! h. d
               tte = new TQC110();9 \9 P2 k, a7 L: B. w9 {
         tte.start();' U8 y: [/ c8 l9 c5 D9 `
      }- d3 J  {- T8 S9 U. A

      TQC110(){5 M) L2 g& l2 x* ?0 k
         items = new String[5][2];
         items[0][0] = "電腦";  m' c; S7 N' _
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";
         items[2][0] = "語法";" }. q+ Y6 A& i7 Z, Z; d
         items[2][1] = "syntax";3 N+ \6 a* A6 j  |8 j9 u) ]3 _/ {
         items[3][0] = "學校";
         items[3][1] = "school";; c1 J# Z9 O5 \9 V/ O
         items[4][0] = "假期";/ S( _/ ?) o. |1 M
         items[4][1] = "vacation";
         //make default value, L$ g3 b4 a4 A2 g( q
         br = new BufferedReader(new InputStreamReader(System.in));
      }

      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));1 `: K% y. _3 e) C
      }
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      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數% f7 I4 v) i, e, ~7 c+ g5 m/ r
         d = new Date();# f' i6 `4 p! h5 `( [6 L
         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!");: ?% M6 g; k$ d2 |/ {0 j
         System.out.println("輸入英文單字答案後請按Enter鍵：");" ]2 g2 G6 t# L2 K
         System.out.println("          ");- N: O1 e7 ?6 J6 T
         for(int j = 0; j < items.length ; j++); R6 E* x6 F4 \: @8 [* }, [# @
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);0 I- Y! s( j/ ^0 Z( C8 B
            try{
                  ans = br.readLine();
            }
            catch(IOException ioexception){4 ]& j% R, X& d+ ~. x7 E
                  System.out.println(ioexception);9 ~2 ^. c/ z& `+ Z
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;
                  System.out.println("答對了!");
                  //count correct
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message
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         }

         d = new Date();
         end = d.getTime(); // 結束答題時間* S& G( x% a+ F, Y
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");+ C4 E3 j0 S7 C+ t
         System.out.println(items.length + "題中答對了" + correct + "題");- Z1 S+ u" ]( ^% B0 g$ M, ?
      }
}

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TQC107 ~ TQC110 答案

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