TQC107 ~ TQC110 答案

TQC1071 t2 I: h4 m: |/ u
public class test{& C+ L8 g! d* b( m. j. ^2 ?$ K  k

      public static void main(String args[]){

            //0 1 2 3 % ^! j1 Z. \) K; e
            //1 1 2 3- t& [" p, I5 u
            //2 1 2 3
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            float tot = 0 ;9 `( {0 s# c* i; l8 x
            for(int i=1;i<args.length;i++){6 ]- q3 n" D- R0 A; G" P
                     tot += Float.parseFloat(args[i]);
            }
            tot /= (args.length-1) ;" ?# w; L2 O* G4 B  p5 O7 Q
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            if(args[0].equals("0")){! d% _6 @7 Q2 I1 s1 a- T* a8 _3 }
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);" m7 h, r* ]3 E) e, t7 O! C9 R$ H
            }else{
                     System.out.printf("平均值:%.2f",tot);
            }


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}
TQC108
import java.lang.*;4 Y/ {( X( X. I/ B. t6 u* K( Z
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public class TQC108. G9 M# e! J" i  n2 g# y: G
{
  public static void main(String[] args)                                        8 H, p: R- ?0 o' L. _
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for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");( O; `+ R: n- \2 _) n/ Z
   System.out.println();6 n3 H2 K4 x9 L. A2 ^& g
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TQC109
public class TQC109 {1 e% }" m# O; {
  public static void main(String args[]) {+ b9 j3 J) u. r
int r;, }% @7 O; z6 S2 W
r=(int)(Math.random()*100+1);  z0 X8 S+ E* D( p" }: ^
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) );7 `9 E+ o! l: t) `5 [) {* f
System.out.println( "計算後，圓面積為：" + area );$ u4 u8 o/ Y9 ~" H8 [# l2 ]
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);1 r: T/ X' h# v/ Y. b% j9 n
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);! B1 b8 _$ y# N8 v
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TQC110 7 @+ d0 }+ r/ e/ F* G
import java.io.*;# r% r: ^5 D8 {3 T' [0 H8 I
import java.util.Date;- p6 n. ]' u* Y1 I* t+ V
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class TQC110{' A. z' N9 H) y* w9 o! ^
      String items[][];
      long start, end;* h9 `9 G( O8 @- q
      Date d;
      BufferedReader br;+ s4 t- m  R: F1 C' e7 E) ]5 b
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      public static void main(String args[]){1 I- S5 m% f6 [/ E7 q5 U
         int total = args.length;- i: c4 j5 ]: F% X: Y
         int pairs = total / 2;8 _' `7 B, ]& u
         TQC110 tte;
         if(total != 0 && pairs != 0)
         {
            //get value from args..
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){. [. Z0 w1 z  r- G3 c) s
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
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            tte = new TQC110(tt);* j, y% y( I5 W
         }else+ p" B7 H( N* q, n& J% w
               tte = new TQC110();* u  F' S5 ~! P; l# {
         tte.start();
      }
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      TQC110(){. K- f5 J* }. J' c
         items = new String[5][2];
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";
         items[2][0] = "語法";/ s3 a; S: i& q& l1 n: o5 e4 ]
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";
         items[4][1] = "vacation";) y# l, H! I/ B& `
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));& F% j) T: \6 N
      }
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      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));) ^. C0 g6 A% d  y( a: u: E; w) |
      }

      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# f2 j& ~- q  @3 E
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");5 R  E9 T) z% X
         System.out.println("輸入英文單字答案後請按Enter鍵：");1 w( K% V& r! X7 Q/ R
         System.out.println("          ");, d& t: R& _7 f7 M
         for(int j = 0; j < items.length ; j++)( g) K8 J2 o( ], z4 O7 T
         {" A) p: J* W% Q9 V% e/ `
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{
                  ans = br.readLine();
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);0 V+ v( }1 y" D& ]" I
            }; _3 Z& \0 @# N) I  N3 ?4 t7 k
            if(ans.equalsIgnoreCase(items[j][1])){$ W. P9 \( Q- g  O0 s0 }
                  correct+=1;) J; q) L8 o& n. t' I
                  System.out.println("答對了!");) |6 z' C6 v6 T- Q
                  //count correct, H, {( F  B' |+ U, l% i5 P/ t
                  //ouput correct message) b/ b( X0 a# A) }1 e3 [
            }else{4 n* A! Z2 j7 Q2 U
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message6 G% j  n) _$ p0 U4 x5 w0 @+ A
            }4 t. ]' L2 g. E
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         d = new Date();, G5 V) u& V: c6 U! o; p
         end = d.getTime(); // 結束答題時間7 T. A9 ]0 ]: R" |$ _
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");
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}

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TQC107 ~ TQC110 答案

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