TQC107 ~ TQC110 答案

TQC107
public class test{

      public static void main(String args[]){

            //0 1 2 3 6 ~* g4 @, @4 S( o& W$ t8 c
            //1 1 2 3
            //2 1 2 3
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            float tot = 0 ;
            for(int i=1;i<args.length;i++){3 @! r* y: e4 B! W
                     tot += Float.parseFloat(args[i]);* s! J, p4 s: W( `% y- I* \( ?* W
            }+ B4 G0 h' O( {  w, @0 G. [
            tot /= (args.length-1) ;( X' X- z6 G& A: }6 T: f9 e# ]

            if(args[0].equals("0")){/ n$ j5 j  x+ x! n
                     System.out.printf("平均值:%f",tot);7 S9 b. h! h/ C$ s. R
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);( F2 h0 V) s4 I+ C
            }else{$ e7 [7 C* @: y7 y
                     System.out.printf("平均值:%.2f",tot);8 v+ g* |# i; P# i
            }( @9 R- V; C) _. [; @6 ], V. [


      }* N% z1 o% ]% d/ p/ n+ M) {

}
TQC108( _, g# ^9 G! E* `% V
import java.lang.*;
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public class TQC108" c/ \7 _6 g) A1 e
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  public static void main(String[] args)                                        : s* k  Z. I+ ^
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for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)# a* E, c. r- D- r  ^
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");9 z4 i) ^2 S# ?
   System.out.println();. O6 @% v! s0 e( ]4 l- Z( ]6 U6 O
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  }
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TQC109+ `. B! C* b0 \3 }, A4 u4 O) w
public class TQC109 {
  public static void main(String args[]) {
int r;4 i, W- `% A5 v0 w3 j* y
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;9 f; f( w2 C% Y6 f0 b. [
double vol = r*r*r*Math.PI*43;
System.out.println( "隨機產生的半徑為：" + r );# B$ R9 E8 Z! D& X9 S2 [3 N
System.out.println( "計算後，直徑為：" + (2*r) );
System.out.println( "計算後，圓面積為：" + area );- S3 u+ V  G1 J9 I9 x3 f' V
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 );* ^' _+ Q% Z, z& _5 ^
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 0 \: a* k; _3 ^, ?- B, |& N! |
import java.io.*;
import java.util.Date;
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class TQC110{2 j' j# J, c' f: w
      String items[][];7 w1 n2 ?1 j5 l6 p/ H
      long start, end;9 l, V9 Z" _4 j/ E
      Date d;0 l* `# O, S2 k9 ~0 p
      BufferedReader br;9 h$ {9 x! c( @- T/ |6 }
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      public static void main(String args[]){7 `% @* n: k. j- Z8 F9 s- w! ]
         int total = args.length;4 A7 a, w! S; v8 \  ~5 J
         int pairs = total / 2;
         TQC110 tte;) @$ t# u% o8 N. P+ `. d, _
         if(total != 0 && pairs != 0)$ [: c& U# ~. ?+ E; ]: t' c# c
         {  c& |# c  y$ w" Q$ j: D$ \: S7 o
            //get value from args..- x& @7 R9 @" \; _
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){( \) u" |0 r9 M, |9 [1 s3 O) B
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
            }
            tte = new TQC110(tt);" s( j6 _& k9 B3 L! i6 y
         }else
               tte = new TQC110();  b7 Z8 G5 a, ?4 x$ V% y# R
         tte.start();& C+ S4 I5 ?- @: f2 a! f
      }

      TQC110(){
         items = new String[5][2];" v2 I% x  T' f2 r$ i; e
         items[0][0] = "電腦";
         items[0][1] = "computer";2 E/ R+ e* E* r, d* I( E/ o
         items[1][0] = "資料庫";6 m+ w2 V- q2 a( o3 X
         items[1][1] = "database";
         items[2][0] = "語法";- \' E; G: q  @7 n3 ]: _% d# t% q
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";5 o$ N# O& }5 w0 t" d+ ~
         items[4][1] = "vacation";
         //make default value, Q# y0 z& E1 Y
         br = new BufferedReader(new InputStreamReader(System.in));5 Q" g7 y: `8 Z  J% r- k0 i
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      TQC110(String[][] it){+ g; ^! _* B& X' I9 O
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));
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      void start(){
         String ans = "";1 }! A# Q# ?2 T" q: j! S
         int correct = 0;    // 計算答對題數1 ~, j2 M5 l9 \9 }/ A$ h: v& [
         d = new Date();$ a. x& u* E9 |- D! a8 K/ Q3 B2 n
         start = d.getTime();  // 開始答題時間3 m" @2 @( u& C% G7 ^) j  K
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");4 Z1 n$ w4 r' m& W: p1 H
         System.out.println("輸入英文單字答案後請按Enter鍵：");8 @3 A; b$ _0 [( V* i; q) ~& i, S
         System.out.println("          ");7 J4 W/ g* q" F# [; X. K8 P8 E! P' Q
         for(int j = 0; j < items.length ; j++)
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            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);  Z. p% c- k) Z
            try{
                  ans = br.readLine();% W( V& s% p; q' A
            }( h$ w/ K1 q- r8 S) [2 k  T# b
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }) m5 M9 b3 n! u" N" N( v
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;
                  System.out.println("答對了!");1 I- k& E7 h0 z1 \( h% h# F; p
                  //count correct2 W1 J- v7 k: e6 H% g; |
                  //ouput correct message
            }else{0 V. ~  O' F7 U) K
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message
            }
         }

         d = new Date();5 p7 A9 ~+ c3 V
         end = d.getTime(); // 結束答題時間+ ]- n: d& _8 z2 Y  o( g. S
         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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TQC107 ~ TQC110 答案

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