TQC107 ~ TQC110 答案

TQC107
public class test{' P# }8 U0 p, S" J0 z
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      public static void main(String args[]){

            //0 1 2 3   z% ?6 d/ E) p8 k- o3 f9 o
            //1 1 2 3! m8 ?1 u8 d4 U
            //2 1 2 3
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            float tot = 0 ;+ z/ K+ f" F+ e0 O) L& {
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);) B7 c) C# r+ Z2 T8 H4 K3 V
            }2 i# J$ L0 T$ z; g
            tot /= (args.length-1) ;
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            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);$ l( z6 v4 f: g
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);
            }else{# y5 `1 w( d" i+ [5 b2 _. d' {
                     System.out.printf("平均值:%.2f",tot);
            }. C" \" `8 ?, A% Z; }0 u; N! q


      }  t( r6 U' _, l% Q; |7 j5 @1 T

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}
TQC108
import java.lang.*;! N0 u1 R% a* D& O* l/ I7 s2 Y% t! d
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public class TQC108
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  public static void main(String[] args)                                        . D% F6 i; Y8 s
  {
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++). R; W  x6 W$ H! \
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");- ], Z- ?$ F9 K. b
   System.out.println();
}
  }9 M0 y  d$ P  K% G% l' ^
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TQC109
public class TQC109 {
  public static void main(String args[]) {$ ~/ e8 j% h9 Y4 F7 n  w
int r;
r=(int)(Math.random()*100+1);4 m2 a2 ~8 g+ a8 X+ m" T
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 );% ?( O2 S3 k/ U8 o3 E4 S2 ]# j
System.out.println( "計算後，直徑為：" + (2*r) );% ~5 Q- r% O8 U6 w( S9 m
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);; H* J+ w; a( j
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.*;. }) \! [( Z. z8 T3 \
import java.util.Date;2 A% e! Z8 W: j

class TQC110{! X9 [+ W  T* @' i/ M
      String items[][];
      long start, end;+ ^% [/ Z. l$ ?# v; Z  h  r
      Date d;
      BufferedReader br;$ w) R  p& f' f

      public static void main(String args[]){
         int total = args.length;
         int pairs = total / 2;0 j8 a5 T- y) M1 _# N
         TQC110 tte;
         if(total != 0 && pairs != 0)
         {
            //get value from args..3 L, P0 [( s! ^; M6 }" X% f
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){! l! b# z! G. [; v0 \- n' R
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
            }5 a4 x( K9 X. K1 @
            tte = new TQC110(tt);  H/ O! v6 s3 D+ p& z# Z- ~
         }else
               tte = new TQC110();( Z$ l4 a& h: f
         tte.start();5 j- a- d- m* q: ^! c! g- e
      }1 p2 k* ?4 G, y# y4 I

      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";" ^0 ]' r- q0 ^
         items[0][1] = "computer";
         items[1][0] = "資料庫";1 b( y9 l8 X! u) [1 g
         items[1][1] = "database";7 E6 \: j7 G; a# ~
         items[2][0] = "語法";, G" y* m- b( o+ Q/ I) p, x4 A8 j+ _) I
         items[2][1] = "syntax";
         items[3][0] = "學校";0 R4 v: R& Q! {4 g  G8 x
         items[3][1] = "school";( w6 r" D4 q9 H! ^# s
         items[4][0] = "假期";& K  f$ G/ G% k" S- r( T9 k
         items[4][1] = "vacation";
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));1 R0 X- `# ]1 F+ ^+ [  T3 n. g4 e
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      TQC110(String[][] it){
         items = it;" w6 Y) u. b. Y2 f- g' N
         br = new BufferedReader(new InputStreamReader(System.in));
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      void start(){4 D) @1 K# \% y, V! e3 E2 g  Q
         String ans = "";
         int correct = 0;    // 計算答對題數4 U  A) X& b$ p3 m( w
         d = new Date();4 s0 Z: O+ @) \! b
         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!");. }% c2 c6 B% K# E3 M" y
         System.out.println("輸入英文單字答案後請按Enter鍵：");" A( W+ g8 e( l8 i) l8 }- i
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)/ ?0 ^/ n: R, F& n8 h9 U
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{
                  ans = br.readLine();
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){! D: O0 u6 L% S: r' J) A8 U- S
                  correct+=1;3 a- j! M3 r0 C. Z
                  System.out.println("答對了!");
                  //count correct  X5 q" j6 q3 T0 I
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);; \* C* ~: d; y  B3 g" j
                  //ouput incorrect message
            }
         }
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         d = new Date();* g4 ^! ~  A# i8 _  i0 Y& @/ m
         end = d.getTime(); // 結束答題時間: G  G# S# X3 t, c  [0 ~
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");
      }( L! E0 x' c6 o* p% c
}

返回列表

TQC107 ~ TQC110 答案

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