TQC107 ~ TQC110 答案

TQC107
public class test{

      public static void main(String args[]){: ?, B* F' \$ c8 n6 k+ ~3 `+ y

            //0 1 2 3 ! B) w) ^6 [/ |7 J
            //1 1 2 3
            //2 1 2 3  ]7 l+ C7 K; B* b- @0 T' v
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            float tot = 0 ;( E! N! b4 L3 S1 ^; x4 N9 `
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);( b8 x+ l3 I4 t% P
            }
            tot /= (args.length-1) ;
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            if(args[0].equals("0")){. \$ z7 n5 S7 f8 O
                     System.out.printf("平均值:%f",tot);2 |( H* l: b0 L5 N
            }else if(args[0].equals("1")){" [# B4 |0 `' {" y7 I7 R. }& N
                     System.out.printf("平均值:%.1f",tot);- b9 M# m4 F: z. u, J
            }else{% g9 f( ^- V+ l( f, W
                     System.out.printf("平均值:%.2f",tot);
            }9 Q% E  I: I; C" v9 Y$ Y/ I2 ]

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TQC108
import java.lang.*;) ], V8 `6 B3 `- `' A0 c
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public class TQC108
{
  public static void main(String[] args)
  {
for(int i = 1 ; i< 10 ; i++){; i- o: s& n6 V
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();$ L/ R. s& i* `' E
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TQC109
public class TQC109 {
  public static void main(String args[]) {, ?! s$ i  v9 R
int r;
r=(int)(Math.random()*100+1);
double area = r*r*Math.PI;% x" `! J5 z' d0 M9 x
double vol = r*r*r*Math.PI*43;
System.out.println( "隨機產生的半徑為：" + r );3 v1 k5 I' L6 c" S2 G( W
System.out.println( "計算後，直徑為：" + (2*r) );9 T& y# z" }6 g( A' O6 z% K
System.out.println( "計算後，圓面積為：" + area );8 H" h: k9 n4 ~1 y5 r+ E
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);
  }
}

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TQC110
import java.io.*;
import java.util.Date;4 I8 i0 ^% e1 ^# Q; u
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class TQC110{3 M8 o9 ~% X( C$ d/ f
      String items[][];
      long start, end;
      Date d;' q# O; d3 b' o( D
      BufferedReader br;4 N$ u/ L) i) f6 w- A( M; e

      public static void main(String args[]){
         int total = args.length;) _# o5 a! D5 j# V
         int pairs = total / 2;5 w$ M5 f+ v  C9 F8 H
         TQC110 tte;
         if(total != 0 && pairs != 0)
         {" w1 g* R3 C$ q5 q5 C  f! _
            //get value from args..3 N7 H6 l/ g& a5 H% t
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){! i' l& t# J2 N) R! F
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];' z5 F# k6 R2 n( e3 y; |
            }
            tte = new TQC110(tt);
         }else$ ~, V9 z  U$ q! ?. @' Y/ h
               tte = new TQC110();7 o, D) _2 l9 b8 k! |; _& p
         tte.start();$ t5 n0 ]( ^4 g
      }, F$ {# x* J" r
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      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";* R3 x7 Y! P' d5 Z3 I4 s
         items[0][1] = "computer";+ d8 H  s! ]- W: d( K
         items[1][0] = "資料庫";+ h% m2 }- J, `5 }
         items[1][1] = "database";/ ~7 v+ C, K2 i6 t' }; H
         items[2][0] = "語法";
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";4 s0 C/ g' |4 w( X+ c5 p* l. d- ~
         items[4][0] = "假期";
         items[4][1] = "vacation";: z. T0 V  g, m6 u9 r2 a5 H/ {
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));
      }# L9 f) r2 D) x
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      TQC110(String[][] it){2 r- g  R! ]) ^
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));9 \3 t7 J6 q3 x7 U) c' j0 j
      }

      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數4 ]5 ^- G; p# t# C: Z4 ]
         d = new Date();
         start = d.getTime();  // 開始答題時間1 H9 b" m( I# [, r, g1 W  G
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");$ W6 C$ ^4 \8 q! y
         System.out.println("輸入英文單字答案後請按Enter鍵：");" J: U, Y2 ~7 r* |
         System.out.println("          ");/ {9 }- l4 v  s4 F5 y
         for(int j = 0; j < items.length ; j++)/ |, _- K. o2 T2 Y
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            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);* ]: }, _( J/ w! m, @/ c) I) x( i
            try{" `% u# v# p; y( W0 I0 N
                  ans = br.readLine();8 \- x- p6 Q" X( f0 h4 b1 ]0 D
            }) z) I* ?4 F( |4 b6 L
            catch(IOException ioexception){4 C7 B+ D5 o# U  ]% i
                  System.out.println(ioexception);2 f/ I7 I! {8 v
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;0 d+ h& k6 f8 ~# _+ w
                  System.out.println("答對了!");
                  //count correct$ i, F5 \- J9 z8 W
                  //ouput correct message0 V' [9 r; u, p% L: y+ a% w' ~
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);
                  //ouput incorrect message
            }
         }, Z0 i  c4 r6 G4 z

         d = new Date();" ]; ?' K- R7 E0 I% T
         end = d.getTime(); // 結束答題時間, ~7 V* J9 Q; r/ z& g" ^3 k0 m. [
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");' \) q$ m; W0 m7 P* r% s* U
         System.out.println(items.length + "題中答對了" + correct + "題");
      }, H9 r: E. D( u' b3 k4 E
}

返回列表

TQC107 ~ TQC110 答案

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