TQC107 ~ TQC110 答案

TQC107
public class test{

      public static void main(String args[]){
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            //0 1 2 3
            //1 1 2 3
            //2 1 2 3
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            float tot = 0 ;  H& k# X$ r5 i4 {- h
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);8 \0 C6 X! y2 V+ @# S/ i( B
            }
            tot /= (args.length-1) ;
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            if(args[0].equals("0")){5 `: w6 i- ]) Y; V) o* ~
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);
            }else{8 ^& ^& `! f6 g8 ], N4 Y7 Z* M
                     System.out.printf("平均值:%.2f",tot);
            }) i- l/ B# e. {

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      }
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}
TQC1086 Z/ l  D! C+ c# L' Q6 W, \' @5 V
import java.lang.*;

public class TQC108
{
  public static void main(String[] args)
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for(int i = 1 ; i< 10 ; i++){+ g2 G+ K3 @1 h) r  ~& G4 |
   for(int j = 1 ; j <10 ; j++)5 e5 C+ b) X2 ]7 ~! u
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");! }( G" b- O( z9 E: o; d2 z! h8 H
   System.out.println();; i1 D% T% r7 S7 j
}
  }
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TQC109
public class TQC109 {' Z6 E3 q& Z! ~" j  ^, Z! I3 D5 T
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);! l8 j# L4 P6 M0 K* ]- D
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;
System.out.println( "隨機產生的半徑為：" + r );
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);% ?8 U6 g5 f5 i. x" q. y- s
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}

TQC110
import java.io.*;% c' H6 T. E  L0 V7 Q' k8 Y
import java.util.Date;. ]* x0 R* k- u

class TQC110{9 p' u: t, j4 x! x2 }1 C
      String items[][];
      long start, end;6 F4 B& i' \; u
      Date d;; U! z' b/ b7 T: R
      BufferedReader br;$ I5 q3 e+ h6 Y# X& o6 z
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      public static void main(String args[]){& G9 ^- e) }& d
         int total = args.length;
         int pairs = total / 2;" ?; r7 p* G" n: p# W! p
         TQC110 tte;5 E2 @* R0 [+ `, {/ f; w' q" Y( E
         if(total != 0 && pairs != 0)* j2 O$ Q! m8 r5 v
         {
            //get value from args..
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){/ [' I  S2 m- z
                  tt[i][0] = args[i];) G% W8 F7 l! r' W
                  tt[i][1] = args[i+1];
            }
            tte = new TQC110(tt);9 |8 b: E$ u& Z( J8 y
         }else
               tte = new TQC110();5 G- Y$ a3 Q* t3 y* A5 I) E
         tte.start();. S* a( M5 l( p/ L% Q
      }. P) ~6 |6 C7 V: @0 N% a9 c& F8 @

      TQC110(){3 U8 g5 n' J0 q) {& ?9 O& w, g
         items = new String[5][2];1 C, }: V& u! ]7 n
         items[0][0] = "電腦";. c) ?' z% Q3 b% z/ K, ]( z
         items[0][1] = "computer";: p$ O0 R! w/ k* g" H4 _
         items[1][0] = "資料庫";
         items[1][1] = "database";. J  t4 w1 c2 l+ e4 r2 V
         items[2][0] = "語法";
         items[2][1] = "syntax";- J, ?9 T( A9 j( f
         items[3][0] = "學校";: B9 W6 w/ B" }* E6 _2 z$ H  Q
         items[3][1] = "school";
         items[4][0] = "假期";. k' Y) _( o. E: z* j' t8 ^
         items[4][1] = "vacation";( n, ?8 l; [, E+ c6 O& U" i
         //make default value+ \+ w$ M5 ~/ v4 N4 T/ @- z! j
         br = new BufferedReader(new InputStreamReader(System.in));. ^" S9 |% q4 u! E! L
      }
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      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));
      }8 n/ h1 N6 A0 W0 I6 x( A5 B$ u
               / P7 q% I1 ~/ V4 v% y
      void start(){
         String ans = "";2 G0 `8 d6 q0 \3 w- ^# j
         int correct = 0;    // 計算答對題數
         d = new Date();
         start = d.getTime();  // 開始答題時間) A" l" ^, i/ L+ O/ w. _' f+ N
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");& l! d4 {/ A9 G, Y, L0 k+ u0 X
         System.out.println("輸入英文單字答案後請按Enter鍵：");
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)( ]! o9 U/ K9 ^% z1 Y/ N
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{" D( F, g3 w# C. Z! I# a  \; _
                  ans = br.readLine();
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);$ T# x, U9 c9 B& M8 k+ P
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            if(ans.equalsIgnoreCase(items[j][1])){0 B, y7 m: c0 c# |) [
                  correct+=1;
                  System.out.println("答對了!");' K: G+ }) `  _. w3 j
                  //count correct% y8 \+ z5 u5 e! y7 e
                  //ouput correct message
            }else{! c/ ^3 a8 p' c& @+ [
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);4 f8 m: Q: r2 R3 L+ c, ^% o
                  //ouput incorrect message
            }2 c% T& h1 T/ F8 e4 j4 z
         }8 E6 Y7 L. ^# ^  @9 E* s

         d = new Date();
         end = d.getTime(); // 結束答題時間7 B/ |/ d' A4 l, v, l" _4 ?
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");- M  o) [. K; M, y  B
         System.out.println(items.length + "題中答對了" + correct + "題");( ?+ b/ D' z* V4 I$ o5 K* E
      }
}

返回列表

TQC107 ~ TQC110 答案

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