TQC107 ~ TQC110 答案

TQC1079 Y; M5 b+ P4 }! c. q3 b- x9 s
public class test{

      public static void main(String args[]){

            //0 1 2 3 # K0 a5 P1 W) M. Z$ k+ ]
            //1 1 2 3& M4 ]  f. p- P, e# j  p) _/ b
            //2 1 2 3) \) d8 q  T3 p$ T  F4 w
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            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);) h. r$ @3 X5 a! I  |
            }
            tot /= (args.length-1) ;  F) q9 M1 s7 t5 O- N; e
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            if(args[0].equals("0")){/ |" e7 {- _3 {3 i! i* y' |
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);% p# K7 x: K/ M& U
            }else{
                     System.out.printf("平均值:%.2f",tot);( ?" \: }7 m* E# q$ W/ `5 X) u4 ^, V
            }; |2 b1 k8 ~! \
            % o4 R. V, b/ C1 B! n) G

      }! z2 d& ~: ^& r. r# z# f% A; m! V0 o# A

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}
TQC108
import java.lang.*;
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public class TQC108
{, e4 q+ M8 O6 d/ X
  public static void main(String[] args)
  {4 [& T# Z' Q: R" A
for(int i = 1 ; i< 10 ; i++){0 t3 v. B$ b% u
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();! s$ X& e# K0 g/ s5 N
}
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TQC109
public class TQC109 {
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;7 ]& P1 r' v# x# _3 l+ I& h
System.out.println( "隨機產生的半徑為：" + r );" N. e' T+ j/ @& W( e& P3 f
System.out.println( "計算後，直徑為：" + (2*r) );1 \$ b8 _' Q8 U; d' g8 d- |
System.out.println( "計算後，圓面積為：" + area );% ~3 q* \5 X5 t; |# e+ i, ~
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);( [3 B4 C, |% m+ o5 @8 Q- g
System.out.println( "計算後，圓體積為：" + vol );! V& b4 f* R6 M/ \$ J
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);4 \0 T! d9 [  @% Z$ i
  }
}
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TQC110
import java.io.*;
import java.util.Date;% ]9 ]8 T& E' x
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class TQC110{: a; I: Q9 d+ X4 J5 {
      String items[][];
      long start, end;
      Date d;
      BufferedReader br;$ f8 J0 _! Y% q. W: R! a
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      public static void main(String args[]){! t" i- H1 |( F- K" j# \3 e8 n
         int total = args.length;
         int pairs = total / 2;1 f, o& @) Z/ I# ^
         TQC110 tte;1 J( C5 m0 N1 |' Y
         if(total != 0 && pairs != 0)
         {, J. }: I$ h6 k1 t7 w
            //get value from args..
            String[][] tt = new String[pairs][2];3 _* F- k- u7 Q3 a4 j5 O
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
            }
            tte = new TQC110(tt);
         }else
               tte = new TQC110();
         tte.start();
      }. c' T& X6 v  D% V  b
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      TQC110(){4 `  P. I* P1 I7 M  [
         items = new String[5][2];
         items[0][0] = "電腦";& y7 C% a, ]: S- F) R* A
         items[0][1] = "computer";
         items[1][0] = "資料庫";" G) j/ s# E8 Z* R6 O+ D
         items[1][1] = "database";
         items[2][0] = "語法";' z/ t. [5 r: `/ i- U& I1 @- A
         items[2][1] = "syntax";5 [6 I! m9 L  I1 H+ n1 u8 X. G4 o
         items[3][0] = "學校";; M: c: A4 ^1 Y
         items[3][1] = "school";. v; M. r, X" Q; S; `2 y4 L
         items[4][0] = "假期";
         items[4][1] = "vacation";
         //make default value+ H0 p% F* ~2 Z' |
         br = new BufferedReader(new InputStreamReader(System.in));
      }  V, P( L/ m9 r) Q! ~
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      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));- V: Z9 E% i% M9 W' h6 L
      }

      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數
         d = new Date();
         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：");
         System.out.println("          ");( I9 \; E, @# Y" O' g
         for(int j = 0; j < items.length ; j++)
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);7 }% d* X" e+ q- q( K
            try{
                  ans = br.readLine();
            }4 E& R/ v, S5 n; L( L9 l3 t* m
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){4 r' J7 c1 V3 W1 W7 r* a2 m
                  correct+=1;4 m  |' i0 b1 A8 p2 P
                  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( [3 ~! ]0 T* W( g6 [' Z
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");; V$ d4 Y+ ~& d+ a7 r
         System.out.println(items.length + "題中答對了" + correct + "題");
      }
}

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TQC107 ~ TQC110 答案

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