TQC107 ~ TQC110 答案

TQC107
public class test{
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      public static void main(String args[]){  d, z4 a6 [8 F# n

            //0 1 2 3 & |" E. S: k; s* Q8 S  b4 e8 ]: @
            //1 1 2 3
            //2 1 2 3
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            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);+ y3 o* s' ?% J7 @' ?4 A% x9 e
            }3 r: m, o7 j  ]" |: c
            tot /= (args.length-1) ;8 |7 O0 b0 C  w: W+ a, T; R
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            if(args[0].equals("0")){- Y5 k1 b: R  S; L. j  U( i: R
                     System.out.printf("平均值:%f",tot);8 C3 O( v! G* s3 e) a# k
            }else if(args[0].equals("1")){2 z6 f# ^, z8 S( E8 G3 k
                     System.out.printf("平均值:%.1f",tot);- M* v+ l5 }  o* c
            }else{
                     System.out.printf("平均值:%.2f",tot);5 r7 v4 e& E' n# }- w0 a( W
            }


      }
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TQC108
import java.lang.*;, a$ k2 D/ [! z- p; ^4 B2 Z- N- ?

public class TQC108
{: }9 c* W$ Y8 z# u0 c
  public static void main(String[] args)
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for(int i = 1 ; i< 10 ; i++){- Q, g- V+ }0 W: t$ Z% `
   for(int j = 1 ; j <10 ; j++)! X- k! o( D, E0 y8 V
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();
}
  }
}
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TQC109
public class TQC109 {
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;6 \) m9 X  b' O" Z. e# [4 u
System.out.println( "隨機產生的半徑為：" + r );
System.out.println( "計算後，直徑為：" + (2*r) );4 O5 t( [) d) M( T( {+ K
System.out.println( "計算後，圓面積為：" + area );' I) q2 U/ s; t' L& j
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);& H% V) C' {/ h7 V4 ?
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}

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TQC110 + d; y" H0 t" F* A0 k1 y6 T" g
import java.io.*;& K) R/ E  E& I8 ^& j
import java.util.Date;4 |$ h& v. z" z! M3 V6 U
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class TQC110{7 M. X9 M/ |: T: u" V9 k) P
      String items[][];& H5 t' t8 x2 B5 K" _8 S
      long start, end;1 @, T' r/ T3 h2 y; [
      Date d;5 Q2 W9 [3 V4 \! k8 w
      BufferedReader br;
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      public static void main(String args[]){7 h& N0 t9 H% ^0 \; N
         int total = args.length;) K' l# d: r2 W# \  G
         int pairs = total / 2;
         TQC110 tte;1 X8 d* F* W# h/ L# b. Z5 i
         if(total != 0 && pairs != 0)7 `, \( _  o. d4 l4 y" d9 t$ O
         {! j1 s( |! m# j) Q, P( S8 T
            //get value from args..5 {8 @* J% Z3 U% k
            String[][] tt = new String[pairs][2];) E& I' q7 _0 }& m
            for(int i=0; i<pairs; i+=2){& K1 [) \1 _: f4 y
                  tt[i][0] = args[i];/ Z+ }% q) `2 ~" Q0 m% U
                  tt[i][1] = args[i+1];
            }& ]1 W0 Q! x' u- I1 z4 _0 s
            tte = new TQC110(tt);
         }else
               tte = new TQC110();6 s; h1 k) J/ p) Y$ |" J! V
         tte.start();, O/ u7 F! G* i/ {0 n, j4 q
      }5 D: H1 k: M2 E& O

      TQC110(){6 |, E6 V6 }! k( Y
         items = new String[5][2];* Y+ R' h4 H' x9 ^! n: j" ]. F$ B3 g1 ~
         items[0][0] = "電腦";2 @  S; W* E& M& _
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";
         items[2][0] = "語法";2 p! j4 a, I  Y
         items[2][1] = "syntax";
         items[3][0] = "學校";& l  C2 h5 ?: e4 C
         items[3][1] = "school";- l! P! \7 a8 x
         items[4][0] = "假期";5 a$ a) I$ t* J% a
         items[4][1] = "vacation";
         //make default value$ x' n5 {) ?6 H; f
         br = new BufferedReader(new InputStreamReader(System.in));
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      TQC110(String[][] it){1 N1 X2 {# c! _: u
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));/ ~1 }8 O( \  `8 S$ E
      }: Q: O: v4 s$ o* E2 D  h: E

      void start(){
         String ans = "";9 ~2 S) f1 G- f: O9 f, z! z
         int correct = 0;    // 計算答對題數, a- x0 H" s& z3 h8 b& Y8 ~
         d = new Date();# d- ~$ J6 e0 I% @6 [, h: X5 U8 h
         start = d.getTime();  // 開始答題時間9 k! o8 N) o$ b- m2 t! e
         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：");8 N: U& \, E0 d2 @8 E
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{5 ~) v; e! P, P. z) n! [
                  ans = br.readLine();0 L" ^5 C( M6 ]
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);" A& p8 Q& ?- Y  A. O: ^/ X5 O
            }7 s  v) `% d" C/ z1 ?6 ^9 P
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;* l- {4 v0 b6 M# ]
                  System.out.println("答對了!");
                  //count correct0 n, V$ {4 G; P! E1 W
                  //ouput correct message
            }else{0 r9 l6 k# s/ d1 \( `: X$ Q
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message: u8 {" C: P, ?. {' l( x
            }5 i2 n. h  Y+ B3 B4 T) C6 E
         }
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         d = new Date();/ Y- ~% X! d* g- M
         end = d.getTime(); // 結束答題時間
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");! K9 K; y& x- x# _& X
         System.out.println(items.length + "題中答對了" + correct + "題");
      }
}

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TQC107 ~ TQC110 答案

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