TQC107 ~ TQC110 答案

TQC107( l4 P0 h. r$ ~$ Q& {
public class test{- Q- `6 N  }+ ]* ]1 e5 {$ A

      public static void main(String args[]){
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            //0 1 2 3
            //1 1 2 3* f* C% v$ x, U: x& S
            //2 1 2 3$ ?! o. @( |: u- X
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            float tot = 0 ;# x3 X# p: Z. K' y5 F( P( M6 a1 S
            for(int i=1;i<args.length;i++){) C4 Y5 ]6 N/ D% k" X4 Y; y; [! a
                     tot += Float.parseFloat(args[i]);" z" o6 G5 L) K% j2 ~; L
            }
            tot /= (args.length-1) ;# f& b) M5 h0 N% I4 }$ ~! [

            if(args[0].equals("0")){9 q7 l7 i) q, U; f# L
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){0 V/ R( x; n! E% i. D' b0 }9 l. \
                     System.out.printf("平均值:%.1f",tot);$ E7 m5 E+ _4 D) C3 v3 T
            }else{9 x  W* [4 H( @! X5 a6 f( l
                     System.out.printf("平均值:%.2f",tot);
            }


      }
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TQC108
import java.lang.*;% ~! m, G% A6 [, ]2 p

public class TQC108
{; A  {7 L( E/ }/ X! x; ?9 w* @
  public static void main(String[] args)                                        ( x: y5 b! @- G' w/ @4 r
  {
for(int i = 1 ; i< 10 ; i++){: a  C: @! h) X2 W6 ^
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");0 h* T5 Q. h  l' B: d6 k
   System.out.println();
}
  }
}

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TQC109
public class TQC109 {
  public static void main(String args[]) {' r& {7 ?8 b2 f, @$ y9 P& W+ B
int r;! p$ F- C" n8 G( @1 n: l
r=(int)(Math.random()*100+1);
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 );2 `; j! v5 X( t. V0 @
System.out.println( "計算後，直徑為：" + (2*r) );
System.out.println( "計算後，圓面積為：" + area );0 ?# F4 G  E# ?/ D
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);9 @8 S* @* Q1 Q2 @7 o* a* s4 v
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TQC110
import java.io.*;
import java.util.Date;
# Q, G% p- t8 R7 K6 z3 X
class TQC110{
      String items[][];
      long start, end;
      Date d;
      BufferedReader br;
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      public static void main(String args[]){4 ^( X/ m' y" [$ L$ G. H
         int total = args.length;+ z5 [- J$ p! m) D, z
         int pairs = total / 2;* I' q6 A( K% y) @, E. R
         TQC110 tte;3 Z, C& L* W, S, x3 U2 h) r
         if(total != 0 && pairs != 0)
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            //get value from args../ Q9 g( M" b, R- c' a) z) Z
            String[][] tt = new String[pairs][2];+ r+ c8 N9 A# |% w" }4 @$ P, d2 X
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
            }7 p* q# q% w; H" X7 ]7 P; A& E4 \
            tte = new TQC110(tt);
         }else! C  {, {: `. B/ p' k$ L# w# ]
               tte = new TQC110();
         tte.start();, ^8 F, J& z# N7 b  m1 i
      }2 H" d  M( Y$ ]( u+ ?
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      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";$ S4 Q7 {- a8 G
         items[1][1] = "database";4 p: n8 k0 X. s- x- v
         items[2][0] = "語法";" L: H! O3 Z8 I, Y
         items[2][1] = "syntax";0 q( M3 O* B. n3 l5 U( f
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";
         items[4][1] = "vacation";1 W) Q8 Y; N! b; I& H+ o! c
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      TQC110(String[][] it){" C$ |! ?0 e' P' ?* i9 y
         items = it;; h$ D, W3 x. U3 n6 i' v& `
         br = new BufferedReader(new InputStreamReader(System.in));
      }
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      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
         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("          ");9 @# V+ A7 |3 G- X- L' D/ T
         for(int j = 0; j < items.length ; j++)% Y* X5 l+ r" h$ Z
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            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{" W+ ~3 b+ h: }7 v
                  ans = br.readLine();3 \/ H: h* ~) q" W9 o* ?
            }4 |9 v9 C+ n; \
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }  T8 S( L% u% i( }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;7 U7 r# G, w1 V, l. i6 V
                  System.out.println("答對了!");( b* |' A! Z) }* A# A
                  //count correct
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);3 @6 I' o; Z. Y; [0 F; s
                  //ouput incorrect message' Z1 ?" j2 `, F3 N( ]/ `' @
            }
         }! U1 [) E+ Z+ n" C) B% l& F7 R
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         d = new Date();
         end = d.getTime(); // 結束答題時間" W4 m4 g- P1 W* J" D8 \
         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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