TQC107 ~ TQC110 答案

TQC107( B2 D2 m# A  r2 U
public class test{

      public static void main(String args[]){
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            //0 1 2 3 ( U3 ~1 R/ A" V
            //1 1 2 30 T( m* X+ a: ?" V7 F
            //2 1 2 3

            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);3 S$ M1 w9 f. G
            }
            tot /= (args.length-1) ;

            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);+ q8 f; a5 n/ u. z1 j" D
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);
            }else{6 `1 d5 Z( [  R6 x
                     System.out.printf("平均值:%.2f",tot);
            }3 ~/ y* h3 F) D- k


      }
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TQC108
import java.lang.*;
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public class TQC108
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  public static void main(String[] args)
  {
for(int i = 1 ; i< 10 ; i++){) ?( E3 B; b6 D5 I" f% V' g
   for(int j = 1 ; j <10 ; j++)' }5 B- H8 s% h0 z! m
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();$ q* f3 l, ]7 x4 y! m2 O
}
  }
}

TQC109
public class TQC109 {
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);3 y. E. ^0 w) ]' P# l# ~/ Y1 {! K* P
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;. Z& m! T% T7 b# b- E5 H
System.out.println( "隨機產生的半徑為：" + r );
System.out.println( "計算後，直徑為：" + (2*r) );7 H- n3 Q5 Q* M; s( M1 F/ z
System.out.println( "計算後，圓面積為：" + area );' Q9 ^+ m6 H, P5 }
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);/ p8 }, _( R4 R# T! {$ H1 g; F
  }
}

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TQC110
import java.io.*;
import java.util.Date;8 _& m8 C1 p) L

class TQC110{. ?, \% Y, E# ?/ m
      String items[][];: Z/ m$ Y& f- }/ d4 u, V
      long start, end;
      Date d;  `3 T5 y. [& j
      BufferedReader br;1 }7 A8 f4 Z" [7 f  T) c
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      public static void main(String args[]){* C  t7 r# P; U
         int total = args.length;
         int pairs = total / 2;
         TQC110 tte;4 |# W/ ]" @5 `4 B* k# y' q8 L
         if(total != 0 && pairs != 0); a( b# T$ S% I7 t7 E
         {8 ?+ D. Y' ?1 V9 _% U, S
            //get value from args..5 ^* j9 e% G5 t$ `
            String[][] tt = new String[pairs][2];8 _( Y+ F+ N/ |/ M
            for(int i=0; i<pairs; i+=2){5 l* ~. a2 ?0 {6 @9 f; q
                  tt[i][0] = args[i];: m7 L7 b4 m+ F# E
                  tt[i][1] = args[i+1];$ z; E; W" f3 {4 E$ L
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            tte = new TQC110(tt);+ B5 ?0 |% r( ^' m7 O0 ]" W
         }else
               tte = new TQC110();
         tte.start();
      }% m7 J* t, z9 ?7 p5 r* o

      TQC110(){1 q5 j6 i. |  L* U  U" ^* P% r
         items = new String[5][2];  @/ a9 y+ N4 y% `) Y
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";5 {# ^$ J. N: t$ h; |  u: G/ Q; J
         items[2][0] = "語法";
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";' S. C( X- H& X& y7 M% ^
         items[4][0] = "假期";- W6 ]$ q! G2 ?/ n* n* d  X
         items[4][1] = "vacation";
         //make default value" H! ^& j+ s- E; M6 t; m2 i8 b
         br = new BufferedReader(new InputStreamReader(System.in));/ l. f; M8 `$ K3 E4 Y& m8 T' W
      }

      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));5 a& L2 s, a* l/ H9 ]+ D
      }
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      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數  `9 S/ L8 W; z4 }' {  X0 k
         d = new Date();( [0 N/ t6 l1 `+ L( D
         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：");- }  T5 ^$ ^9 I
         System.out.println("          ");8 N* v) C4 O; c. x. q
         for(int j = 0; j < items.length ; j++); f4 d) }% }# ?: _  h9 A, F
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{$ @$ i7 H0 s& o
                  ans = br.readLine();: a3 z7 ]* r" M# ^0 z# S2 ^! h
            }
            catch(IOException ioexception){+ t5 f: e7 }5 {
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){0 Z2 `8 W  u9 `" x1 h
                  correct+=1;
                  System.out.println("答對了!");
                  //count correct
                  //ouput correct message4 \% W! V8 K$ h" v+ ]4 t9 Z
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);& b# e2 W4 _  m% A. ?  Y' G% f6 l
                  //ouput incorrect message( t# z/ o: F/ j' G% Q* L
            }
         }
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         d = new Date();
         end = d.getTime(); // 結束答題時間
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");# T! U; k2 n# P' ~) _/ ~
         System.out.println(items.length + "題中答對了" + correct + "題");
      }
}

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TQC107 ~ TQC110 答案

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