TQC107 ~ TQC110 答案

TQC107- L! @: F" _2 j7 N! @
public class test{
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      public static void main(String args[]){
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            //0 1 2 3 ; {* D, o/ ]2 b& {' X
            //1 1 2 3
            //2 1 2 3) n/ u# P4 x8 P/ G

            float tot = 0 ;& b" G. j0 o7 q; H. c  y
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);
            }5 C4 l1 y3 H) Y' I9 b7 b, P' m
            tot /= (args.length-1) ;/ y% \0 X+ x) d6 @- P6 ]

            if(args[0].equals("0")){# p9 t% A# s; N2 f! Y3 m: b& X1 A
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);$ M, g- V) t1 ^) `, v) V) ^% x! Q" W* x
            }else{
                     System.out.printf("平均值:%.2f",tot);
            }


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}
TQC108
import java.lang.*;- A2 G4 S0 a$ O7 V; {' B* t
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public class TQC108
{
  public static void main(String[] args)                                        9 |. ?% V: Q3 i9 s% P+ g, m
  {
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();2 f9 I, y2 e# r4 ~/ {5 ~, _' E4 \
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}

TQC1097 j; i/ J/ |( ^( ]# C- c
public class TQC109 {
  public static void main(String args[]) {4 z8 F  Z7 {% M* o5 Z
int r;+ ]% j# L4 p1 L" l
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;: B- c/ h" r6 X0 e/ t( N: A  \
System.out.println( "隨機產生的半徑為：" + r );  o7 A' D! }6 Z+ v( Z. M
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);
System.out.println( "計算後，圓體積為：" + vol );
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);5 Q' a/ Q/ g# ?: o6 Y; l$ V; k, |
  }
}
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TQC110
import java.io.*;  ~- u: G6 S' F: F, q" [/ j. |
import java.util.Date;, J8 d5 p% I, H: V0 U  R* d
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class TQC110{5 ?! G8 b; X. Y  B) K: a2 a
      String items[][];
      long start, end;
      Date d;$ {$ p) ^4 w0 }7 K5 q7 G3 h
      BufferedReader br;

      public static void main(String args[]){7 \" v" C: E. K8 H  F% P
         int total = args.length;- g+ s  Y7 a! |
         int pairs = total / 2;
         TQC110 tte;& I/ ^4 e5 K- U4 F) [% _* m
         if(total != 0 && pairs != 0)6 Z+ Z* j' b) M0 P! \7 Z3 o2 D2 U
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            //get value from args..- {) h9 y3 L1 E* ^3 n
            String[][] tt = new String[pairs][2];8 |. P: Z. p% P/ r/ Y3 K
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];6 H/ I4 y' z! e, _- i. x
            }
            tte = new TQC110(tt);
         }else
               tte = new TQC110();
         tte.start();
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      TQC110(){/ C3 Q; d7 k1 B
         items = new String[5][2];" L) N/ C" N& L& E3 e: ^
         items[0][0] = "電腦";/ o8 P1 v8 w( t) q* S  _$ ?5 `
         items[0][1] = "computer";* T' I# `7 c- t3 ?/ W9 g
         items[1][0] = "資料庫";5 J: I4 N7 Z* c4 E, ^
         items[1][1] = "database";
         items[2][0] = "語法";$ ]3 }/ I3 G( Z6 v+ I' D
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";; j# Y9 L* ^( T( @
         items[4][0] = "假期";
         items[4][1] = "vacation";
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));" F% ?: z' s9 H& h# L* h/ p
      }

      TQC110(String[][] it){& t' A- y! D/ L2 P9 t$ P9 U
         items = it;  H$ `7 f' N4 U
         br = new BufferedReader(new InputStreamReader(System.in));4 _/ F5 G0 a# q
      }

      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數6 w0 w7 w# b& G% {4 R; \, O
         d = new Date();- Z4 \! P# n  n& t8 F
         start = d.getTime();  // 開始答題時間( G+ u# U9 S8 F9 s; x9 s! s6 N
         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("          ");. u6 m8 C; ]; H, ^& b% q% O
         for(int j = 0; j < items.length ; j++). v" A- Q) C; L! k% x( {+ G
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            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{" k5 y6 s, z4 `# Q- g6 L
                  ans = br.readLine();7 H% c; u" e1 I0 Z" [) d$ A9 g
            }; _; _) Q8 E' i* k
            catch(IOException ioexception){2 t$ E3 S& _( }2 ]; m3 t# X
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){% x+ R, x/ @& N8 a: q
                  correct+=1;
                  System.out.println("答對了!");* Y+ a  d# o6 m# Z2 B
                  //count correct" o6 ?$ d; N0 k7 Z# g
                  //ouput correct message
            }else{6 N9 y0 N6 X: E3 L3 Z
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message/ S: e4 A0 @  F& I: f: }
            }
         }

         d = new Date();
         end = d.getTime(); // 結束答題時間
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");9 H; z% ?; V0 Z& A3 _! R+ D8 v
      }. k6 u. J) s3 n" X
}

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TQC107 ~ TQC110 答案

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