TQC107 ~ TQC110 答案

TQC107
public class test{# s3 p8 r% G5 l: y; \

      public static void main(String args[]){
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            //0 1 2 3
            //1 1 2 38 m  m  C7 W4 C( ]# l0 r# G
            //2 1 2 3  L% l$ E& r: I( i: O: e

            float tot = 0 ;9 w# ^7 k! A& K* c; e% @
            for(int i=1;i<args.length;i++){2 F/ [& h. q" E7 J9 h, b/ C
                     tot += Float.parseFloat(args[i]);
            }
            tot /= (args.length-1) ;
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            if(args[0].equals("0")){8 I' p' q" g' ]2 g' t8 K7 V
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){- ]+ b( E0 k$ e9 u
                     System.out.printf("平均值:%.1f",tot);; {( B: u1 A2 R" ~
            }else{
                     System.out.printf("平均值:%.2f",tot);* l" g" ]& b1 W. I8 P2 Y
            }
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}
TQC108+ }- T  o$ p0 n0 F
import java.lang.*;  b4 i5 E* l8 z& Q  z
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public class TQC108" g: h8 O2 p; y
{
  public static void main(String[] args)                                        2 E! F- N5 H4 C) x2 G9 o$ n" I" `
  {
for(int i = 1 ; i< 10 ; i++){  V3 X8 r* z- [
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");6 Y3 g1 {: ~4 p, F  k6 Y/ j
   System.out.println();
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TQC109
public class TQC109 {0 ?6 @/ u  Q3 w" g
  public static void main(String args[]) {' Z5 `4 Q0 p* I; b' T6 Q
int r;
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;! X/ a& w6 D( A
double vol = r*r*r*Math.PI*43;% D% D8 C/ Z, y& Z& B+ N
System.out.println( "隨機產生的半徑為：" + r );
System.out.println( "計算後，直徑為：" + (2*r) );# d  u7 o! l& ]( T- a8 a1 @. c& r2 T
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);7 t1 g, @" A# Z
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);
  }
}
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TQC110
import java.io.*;& M1 g% N! @! n; T/ u
import java.util.Date;8 W, |) k$ Q# w- }7 P3 l0 m; h+ U

class TQC110{* c0 f9 P; W9 ]7 d* P! f  T
      String items[][];
      long start, end;
      Date d;; a& C/ j4 Z9 B" @* k
      BufferedReader br;

      public static void main(String args[]){
         int total = args.length;8 j! h+ F. r1 E/ q
         int pairs = total / 2;) O9 ^* e3 C# e- w8 Q
         TQC110 tte;
         if(total != 0 && pairs != 0)  x) R# e# P( A- l( Y
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            //get value from args..- O' F9 N& j) @4 Y; [
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){8 a- V) U% j# M5 |. B# k, v/ T
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];# B$ h# t& p- U: x/ i5 U
            }* l" @$ T* Z. l8 L# o9 C( m) q
            tte = new TQC110(tt);; d+ p% h: [/ K" Q  o8 t  d
         }else
               tte = new TQC110();& U- h' P. g# F& k' _
         tte.start();# k) f  x' z% X
      }
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      TQC110(){: F4 A$ q8 N& b, p3 Q
         items = new String[5][2];
         items[0][0] = "電腦";* q$ m& B' \3 ?$ X: ^- c% ~
         items[0][1] = "computer";" j( ~2 k# r8 y0 P, I
         items[1][0] = "資料庫";
         items[1][1] = "database";' z: p0 B" ^# ^5 V+ J% |
         items[2][0] = "語法";
         items[2][1] = "syntax";
         items[3][0] = "學校";& q5 i5 h: u  u) X6 ^; q6 ]
         items[3][1] = "school";
         items[4][0] = "假期";# A3 x0 e& O3 v
         items[4][1] = "vacation";
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      TQC110(String[][] it){
         items = it;. m' f7 u0 f9 R, K* W* u$ I1 g( l
         br = new BufferedReader(new InputStreamReader(System.in));' ~0 h' p! |  T+ v* [  ]
      }) R/ M; S$ b1 g( e/ K

      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數, t" q! ?% O5 g
         d = new Date();
         start = d.getTime();  // 開始答題時間- C4 I+ D5 i' ]/ z1 f7 g9 s; }7 d2 e
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");& g1 O" C7 e* f9 H% B1 V2 d
         System.out.println("輸入英文單字答案後請按Enter鍵：");0 g* d+ d6 t) W7 ]% O) H
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)8 K5 J. u; v( r0 n/ @2 c/ `% B
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);/ `- U: `' ^' [) `
            try{
                  ans = br.readLine();
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            catch(IOException ioexception){
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;& H$ q7 z5 ?+ W, @
                  System.out.println("答對了!");, U9 l3 q6 J4 w0 \* m( P
                  //count correct3 [) i& h0 ]: X- H, T
                  //ouput correct message
            }else{2 o5 _6 a2 J3 X% T
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);6 V; L5 y7 j0 k0 s' F
                  //ouput incorrect message( T# \$ [$ z- d6 ]2 ]* W& P7 t
            }
         }" E( g5 q. c) w. b5 s  F: V5 |
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         d = new Date();: U0 X/ n, p' B! T8 X' m
         end = d.getTime(); // 結束答題時間
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");4 c5 F- m. L  L, e
         System.out.println(items.length + "題中答對了" + correct + "題");3 F4 f9 @' N& H; H6 C" J" Z
      }
}

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TQC107 ~ TQC110 答案

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