TQC107 ~ TQC110 答案

TQC107
public class test{( a& I4 v8 a. i# L; k9 i+ \

      public static void main(String args[]){% D# l# @2 T4 a: R( f* C

            //0 1 2 3 ' f& |. a- @/ G0 n$ e
            //1 1 2 3
            //2 1 2 3
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            float tot = 0 ;" F2 z5 U! O# S! K
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);4 ?5 e8 A: [3 p7 H3 d
            }
            tot /= (args.length-1) ;# v" R# n" A$ _: B: d0 Z2 A4 `& k! K
            3 l9 L6 O- l) q3 |
            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);6 {: Q. Y+ E% U9 b( @
            }else if(args[0].equals("1")){+ f+ c1 i5 k- T) {$ a, C( Z$ ]# L! U* f
                     System.out.printf("平均值:%.1f",tot);' ~9 G; N( m- B
            }else{8 ~' r8 @  o9 ^/ \/ t. A" \
                     System.out.printf("平均值:%.2f",tot);2 e* F, i; a3 Z! m( L
            }) a) W0 ~7 q* A8 R5 m! H
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TQC108
import java.lang.*;

public class TQC108
{6 d' s: f5 e. S1 |" m" M& B! X
  public static void main(String[] args)                                        & ^  I" @8 l+ U5 I- L& {! z
  {% R% ]+ ?% o% P
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");: p1 l/ F) s3 {$ H1 E* T! |! d9 z
   System.out.println();
}
  }1 ^5 s/ F* Z- t( o: q( c
}

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TQC109
public class TQC109 {0 F: |$ \% j0 i
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);/ Z$ n, [! Q9 L* m6 f5 [
double area = r*r*Math.PI;1 i# U: N* S/ V4 R" s+ ~
double vol = r*r*r*Math.PI*43;
System.out.println( "隨機產生的半徑為：" + r );& H- q# Q7 {: \+ p; v0 W
System.out.println( "計算後，直徑為：" + (2*r) );
System.out.println( "計算後，圓面積為：" + area );9 I, Y. l4 k0 T; c3 R: }. @- y) _2 y
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);3 o- c; B6 u& ?" ~- @" b9 _8 `; \
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 b; x' _9 K" R* _  E
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TQC110 1 U4 z6 ^; m4 M8 {2 I* s
import java.io.*;+ w' M+ ^* y( |/ F+ M: {$ o
import java.util.Date;

class TQC110{
      String items[][];( \! v6 m; s; X1 d2 V/ e0 B
      long start, end;
      Date d;; Q5 M( U# [- ~; Q1 P  A) U. X
      BufferedReader br;" H6 X6 F, L& s' c* k6 _, H

      public static void main(String args[]){
         int total = args.length;
         int pairs = total / 2;( d2 e3 T, A- Q2 W' k! O' j
         TQC110 tte;
         if(total != 0 && pairs != 0)) N6 D. t/ G6 o$ `# B
         {
            //get value from args..3 z3 f! P5 ~! f0 B1 m( m' D
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];( r/ l" \; f+ q! M5 X: X
                  tt[i][1] = args[i+1];
            }3 a* [" s8 C5 g* ~( {/ U
            tte = new TQC110(tt);
         }else$ W/ l8 M8 {, f5 c4 d
               tte = new TQC110();
         tte.start();
      }
% w  @9 v' R7 s/ W
      TQC110(){% t6 b6 e4 Y; o: a+ m5 g7 n+ m( Q
         items = new String[5][2];
         items[0][0] = "電腦";: C3 [8 _0 R# a! z0 Y3 C+ o
         items[0][1] = "computer";6 f. \' t4 R# c. {
         items[1][0] = "資料庫";
         items[1][1] = "database";
         items[2][0] = "語法";2 l- G( T: y/ y2 D
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";( ~4 O! T( N4 c( @2 _
         items[4][0] = "假期";' f4 n0 f: N1 a+ m' I6 ^
         items[4][1] = "vacation";/ W  k* X* \7 X% T& j
         //make default value2 v3 ~- e: y/ m2 `4 c& w2 E
         br = new BufferedReader(new InputStreamReader(System.in));' s* Y6 B7 O% O7 e9 a4 o
      }5 o2 x3 w! T% Y4 G) B

      TQC110(String[][] it){: G: e2 O5 K' q0 l
         items = it;* `0 t5 W" `2 t7 a
         br = new BufferedReader(new InputStreamReader(System.in));7 \" G- D9 C8 J% s# `
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               3 E' d" g" L. Z5 T+ ]
      void start(){
         String ans = "";4 A' t# f5 e4 \8 ]
         int correct = 0;    // 計算答對題數
         d = new Date();
         start = d.getTime();  // 開始答題時間: O6 d7 M& y6 Q% V
         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：");6 B3 ]+ g& j: a4 Z
         System.out.println("          ");6 N% M$ I3 @, g5 T3 M$ g
         for(int j = 0; j < items.length ; j++)
         {# U/ C' Y& I7 a* n( G1 g5 e
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);' `2 `, U9 u+ k3 d& h& ?' }
            try{7 @' X3 a) \3 C8 ?+ p; S: X( j
                  ans = br.readLine();
            }; i; z# ?& S0 P# F' T4 m6 G
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }8 E0 Q& d& B" s4 H) a( f9 W
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;3 a" x: n( w( |: a" J1 s
                  System.out.println("答對了!");
                  //count correct
                  //ouput correct message* u$ S/ f1 z& p9 U. {
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message
            }
         }8 v1 k; O& h1 Z% w
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         d = new Date();
         end = d.getTime(); // 結束答題時間/ b9 {, L1 _  \5 D: d
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");
      }6 O# l% _) T8 p1 N& w
}

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TQC107 ~ TQC110 答案

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