TQC107 ~ TQC110 答案

TQC1073 r7 J/ A/ V( p) u% A8 w5 g1 O
public class test{% b" A- h( r5 G+ ~; z
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      public static void main(String args[]){5 b  Z( Q1 }- O

            //0 1 2 3 4 K; ]$ a' W* l$ r" D
            //1 1 2 3
            //2 1 2 3) J- Z& v! M5 P% S1 |
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            float tot = 0 ;' x7 _  B/ o- _0 r
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);
            }
            tot /= (args.length-1) ;+ m0 O, q/ R. Y& p$ y. i% M6 N/ ]
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            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);, O2 g" W' e, d0 r5 x$ u+ i9 g6 `& l2 O
            }else if(args[0].equals("1")){' G4 c& A# f1 n" ]
                     System.out.printf("平均值:%.1f",tot);1 B" @9 s, A- ?- ~" J: B9 o8 V8 X3 C% L
            }else{
                     System.out.printf("平均值:%.2f",tot);
            }
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      }
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}
TQC108
import java.lang.*;

public class TQC108
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  public static void main(String[] args)
  {
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)3 ^! L, K5 o6 s
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");- A8 B+ ]# V' O. n4 l, v; y& L5 i
   System.out.println();3 G& U+ o* }( ?+ V
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}
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TQC109
public class TQC109 {* j8 `) M% {+ J, a0 D
  public static void main(String args[]) {
int r;& k" {+ [) y1 \, i
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;& O2 p( O5 N$ Z; w
double vol = r*r*r*Math.PI*43;' b- I# l( ?- n; ~$ y2 _. ]
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 );: q: r, K$ ]6 P  H8 D
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);1 f/ O" X+ e" }2 `
System.out.println( "計算後，圓體積為：" + vol );; f8 E% m$ f, z5 |
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.*;
import java.util.Date;2 w2 c$ U9 x4 p& x7 @+ c6 A
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class TQC110{
      String items[][];
      long start, end;- w; J, B* K! ?, X: S% s1 A. R
      Date d;, x+ |1 `$ C# U  l% a" z
      BufferedReader br;4 }' y) _- T* J
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      public static void main(String args[]){
         int total = args.length;
         int pairs = total / 2;: E, k9 }5 M) f5 q$ z( z- U0 A
         TQC110 tte;
         if(total != 0 && pairs != 0)
         {) P" I8 R. n/ B3 K8 y: [8 n. e
            //get value from args..0 m: Y$ Y" N: |# i. I! c
            String[][] tt = new String[pairs][2];& i/ W2 Q0 t0 k' G
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];0 q& b8 C/ R" Q# j% H1 t( J# ?
                  tt[i][1] = args[i+1];  q7 q' k" N5 N
            }& K4 z3 z* F3 T' D9 \1 X, ^5 q
            tte = new TQC110(tt);4 K" A, K2 R9 d  [- G. J5 Q, Y
         }else; p4 _) J4 \9 S7 [4 \9 ?
               tte = new TQC110();) w3 e) w0 x$ s4 |
         tte.start();
      }

      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";7 _5 h3 e+ Y. L# p
         items[0][1] = "computer";$ U+ Y. G' H3 O2 n  f4 p
         items[1][0] = "資料庫";
         items[1][1] = "database";
         items[2][0] = "語法";
         items[2][1] = "syntax";: K& D0 i- h$ _/ \" R" d1 U
         items[3][0] = "學校";( }- h4 f& U4 W! @* {" a0 L7 b
         items[3][1] = "school";
         items[4][0] = "假期";
         items[4][1] = "vacation";9 j$ X2 i4 s& x4 {7 x
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      TQC110(String[][] it){% L' H2 n  Y  }% ?: f& A. v3 L8 F
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      void start(){2 z+ O$ f7 x2 H& S) q
         String ans = "";
         int correct = 0;    // 計算答對題數
         d = new Date();
         start = d.getTime();  // 開始答題時間, ]( C9 P* Q6 @: K
         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：");5 n3 T0 {; H" |' I5 X( K
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)  ?. o' K3 I  n5 F$ h
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);1 A9 A) _+ U. ~: L' D& t
            try{  D# t  s' O  |% ?! ?1 A8 l+ v
                  ans = br.readLine();  o* |: F0 M$ |
            }
            catch(IOException ioexception){$ Q- R/ U& j+ e/ _: c
                  System.out.println(ioexception);1 l1 Y- h, m% o" ^* N
            }
            if(ans.equalsIgnoreCase(items[j][1])){& O& x1 f- P* H1 ^, @" I
                  correct+=1;
                  System.out.println("答對了!");
                  //count correct0 |) z7 g9 a; U- b
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);. J/ Y" n5 e" C7 J9 Q5 r6 R! M
                  //ouput incorrect message
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         }
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         d = new Date();
         end = d.getTime(); // 結束答題時間! T% _4 \, J* P$ z  ]
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");& `1 S& c0 Z; l4 B8 @) K- {0 {
      }) [; \4 R2 t) _% k+ k, i& p: Q
}

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TQC107 ~ TQC110 答案

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