TQC107 ~ TQC110 答案

TQC107* h* B6 N' d$ ^& d, @
public class test{2 T/ q2 I' h# T, z; E

      public static void main(String args[]){- h! u; z0 b! r+ v! _0 n3 ~
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            //0 1 2 3
            //1 1 2 3
            //2 1 2 3) j! H5 c7 ~. m2 y

            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);
            }
            tot /= (args.length-1) ;

            if(args[0].equals("0")){  G5 M3 W/ w, [4 X) T% M# {
                     System.out.printf("平均值:%f",tot);" |/ @  P0 M7 i  C8 \  w
            }else if(args[0].equals("1")){$ n: T$ _; w' e5 ^8 S
                     System.out.printf("平均值:%.1f",tot);
            }else{
                     System.out.printf("平均值:%.2f",tot);
            }
            # P- Z9 _( L+ A8 k# M9 v/ A, Z# k

      }

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TQC108
import java.lang.*;) q# \) Q2 S! L- S! n4 D. G5 j

public class TQC108
{
  public static void main(String[] args)                                        7 ~- w6 I4 ~' R2 Q/ g
  {! r2 C9 }6 m% d
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();$ w- Y0 x3 j9 X4 K/ }
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  }# q1 P: {2 F' j. G1 X: t$ Q) P$ _
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TQC109( z8 R2 a$ k9 z
public class TQC109 {5 X8 [1 s3 z. |2 F
  public static void main(String args[]) {# B0 U% w1 m5 m* i6 B1 R) b/ r3 T3 l
int r;
r=(int)(Math.random()*100+1);; K$ r4 ]* H: r8 S8 n; F- j7 c
double area = r*r*Math.PI;
double vol = r*r*r*Math.PI*43;% H* W2 W( J. q8 q4 o. P
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);0 L; Q# P2 P2 a( |0 {. b
  }
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TQC110
import java.io.*;9 f$ i' G' q2 W; t
import java.util.Date;
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class TQC110{2 h$ `& m+ @" s, g6 s- U
      String items[][];
      long start, end;9 ]- Z8 u8 E- w3 Z3 b
      Date d;2 t5 `/ S: N/ f+ k0 b1 c# _
      BufferedReader br;
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      public static void main(String args[]){
         int total = args.length;& ~0 }/ j3 h6 W
         int pairs = total / 2;$ t  }, \0 k4 d
         TQC110 tte;1 H  U) z% U8 R& W  {2 m
         if(total != 0 && pairs != 0)
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            //get value from args..
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];5 L$ w% O' D- n" y- G
            }! z, w9 o2 s; {! Q" c: ~* E  }' Q
            tte = new TQC110(tt);+ z1 F) Z% R( I. C
         }else( b& |$ G6 g8 J9 x, j+ i, O
               tte = new TQC110();
         tte.start();
      }$ Y8 L2 C; E/ T! E
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      TQC110(){
         items = new String[5][2];, u4 h4 I2 y: X: x+ o/ c, M
         items[0][0] = "電腦";
         items[0][1] = "computer";8 w# u0 ^) s/ X; }1 k& Z2 \
         items[1][0] = "資料庫";7 _0 M9 G  Q/ A0 P% ]# j
         items[1][1] = "database";
         items[2][0] = "語法";. X3 o, n# |) W, o0 P
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";
         items[4][1] = "vacation";5 _3 C* k( q$ R8 B0 m* e1 s
         //make default value' I2 p  c5 u8 h! s% m7 Y
         br = new BufferedReader(new InputStreamReader(System.in));
      }9 m2 n8 G* m; F
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      TQC110(String[][] it){7 H2 [1 z' o, ~, v8 q
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));5 O; R$ R' `' t& L8 i; y6 r7 {
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      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數
         d = new Date();' Q& c. M, _8 X$ d# c! y+ b- U
         start = d.getTime();  // 開始答題時間; ~$ ]8 f1 I; F4 V0 _
         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：");
         System.out.println("          ");$ ]; @/ z+ \/ q0 |
         for(int j = 0; j < items.length ; j++)
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);  D5 a" y. {& ?  y+ x1 D: m& [9 \
            try{8 c/ q5 H6 a; T# {" x
                  ans = br.readLine();
            }1 e8 e4 M& I2 u4 s
            catch(IOException ioexception){( j4 \1 R9 `! h" ^
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;
                  System.out.println("答對了!");  q. R% t) R/ b$ a( i8 \6 U+ t
                  //count correct8 d: I$ e6 H) [% B
                  //ouput correct message/ C1 W- y$ {  p+ n
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message4 i/ }1 b$ _5 S7 L3 T8 D
            }
         }6 z( S- y# _; ]' z* I

         d = new Date();
         end = d.getTime(); // 結束答題時間$ |5 X( |& s& g; S' p& v& F
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");: s" I; P9 F5 e# \, S) K# C7 ?' R
         System.out.println(items.length + "題中答對了" + correct + "題");+ Y0 a9 e3 b( X0 R5 O9 I" p4 I& M
      }
}

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TQC107 ~ TQC110 答案

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