TQC107 ~ TQC110 答案

TQC107# Y8 e0 ?- ~3 k3 _0 X: {3 m
public class test{2 f5 A: R. F5 _1 w8 z- q
$ ^$ e3 S7 S9 p4 ~
      public static void main(String args[]){
      ; d* W9 u2 B( D
            //0 1 2 3
            //1 1 2 3
            //2 1 2 39 S) a0 y  U$ z9 K3 R! E

            float tot = 0 ;
            for(int i=1;i<args.length;i++){) C, q7 i# F5 W
                     tot += Float.parseFloat(args[i]);1 j- E. A6 m5 L% |( y
            }4 O1 H! q! O/ u+ l2 t. P: g4 N
            tot /= (args.length-1) ;

            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);$ [0 P) A# g& q3 P$ ?2 o
            }else if(args[0].equals("1")){9 Y4 s/ I( k& p$ }0 X
                     System.out.printf("平均值:%.1f",tot);
            }else{4 j6 [1 [$ j# N' T' I+ a5 _* z
                     System.out.printf("平均值:%.2f",tot);
            }

            , C) X/ m+ @# d7 i
      }

}
TQC108+ C$ s  \$ u# F$ @' \
import java.lang.*;

public class TQC108
{$ y/ G9 F4 [+ I3 r/ {; {
  public static void main(String[] args)
  {
for(int i = 1 ; i< 10 ; i++){: c4 ~: _$ `+ n1 J' h- ~6 W
   for(int j = 1 ; j <10 ; j++)* u" B1 y! L2 B& A8 E* U: ^
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();, W$ b' J" ]; n. ~+ y; E
}
  }
}* }) w4 B* O5 v
" J# f5 g7 N  }1 p; d7 g
4 C1 o) v& i5 q" W. e
TQC109
public class TQC109 {, E0 a. ?2 e9 s7 M
  public static void main(String args[]) {
int r;* l( n% w* ~% T* m% ]
r=(int)(Math.random()*100+1);; z6 A! N1 e. P3 D; p/ u. G
double area = r*r*Math.PI;: l1 B! W0 M+ H& s3 z: c2 f" H
double vol = r*r*r*Math.PI*43;/ d' k/ \; ]* ?9 S
System.out.println( "隨機產生的半徑為：" + r );; H/ O8 O. ]$ U2 ?+ k. `5 g7 k
System.out.println( "計算後，直徑為：" + (2*r) );: j$ @" K  ], X0 B* 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);. e# ?9 E2 M! ~0 W5 x, q
System.out.println( "計算後，圓體積為：" + vol );8 p! t$ y' Y7 y- n% X1 H
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);
  }
}

TQC110 9 {+ r& m) \$ d
import java.io.*;( D- }0 Q  S7 h3 P$ p, P( V& E$ J6 {
import java.util.Date;5 ?& s$ A; ~: V4 U, ]# H4 K' k
8 C8 f  a/ e! y2 c( U
class TQC110{0 P5 f; @. g2 x5 ?/ f: _
      String items[][];9 L9 x4 V; A3 `6 O
      long start, end;
      Date d;
      BufferedReader br;

      public static void main(String args[]){* p% M4 A/ a5 D: W; u) P
         int total = args.length;. E- P: s% @6 \
         int pairs = total / 2;$ Q8 c) Y! u- s  T0 f
         TQC110 tte;' }2 G! F3 \1 l+ O2 V
         if(total != 0 && pairs != 0)) R+ O8 }6 _2 W  s
         {1 e$ C) ?$ @. f: k  ?
            //get value from args../ D3 `/ w' ~! ]$ u9 |2 S$ \
            String[][] tt = new String[pairs][2];* Z1 W2 d4 g1 G" {: [" |% ]/ l
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];
                  tt[i][1] = args[i+1];
            }0 ]3 X+ v9 C5 ^$ A! G
            tte = new TQC110(tt);# h1 ~, n7 V; k  d  p: ]9 v  f
         }else  v# s: e) w  j. ~1 D( ?3 F" w
               tte = new TQC110();
         tte.start();
      }7 [* h1 }' f1 p! P
  \. a2 H  Y& ~: L/ B* W
      TQC110(){$ g' x, Y- ]2 C1 U
         items = new String[5][2];' }3 F, @0 r* y
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";8 w6 ~3 [+ c) _
         items[2][0] = "語法";- K7 _  `3 G& h0 e! _
         items[2][1] = "syntax";. d+ N0 F* O/ N$ E/ l
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";
         items[4][1] = "vacation";
         //make default value+ Z# ~! n, F, r% z! u2 L, {5 K
         br = new BufferedReader(new InputStreamReader(System.in));. K' k3 B' U; _# v( ]/ u# c( U
      }

      TQC110(String[][] it){
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));
      }

      void start(){
         String ans = "";; w  D/ f$ f8 e; T
         int correct = 0;    // 計算答對題數' g( j( c7 b# E6 u5 A9 q
         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("          ");
         for(int j = 0; j < items.length ; j++)
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);
            try{) @# U- ~* ]' R  m
                  ans = br.readLine();3 c# ]4 `, t$ D) a! u4 i0 s
            }
            catch(IOException ioexception){+ I% Y, `1 S7 g: c
                  System.out.println(ioexception);
            }0 o+ k6 h# Q7 C3 m: A. |" [7 Z
            if(ans.equalsIgnoreCase(items[j][1])){" z, [; R! i6 w, L) o
                  correct+=1;
                  System.out.println("答對了!");& f" }  k% y' Y. `  ?0 i9 ]. C" O& S
                  //count correct
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);1 y0 a, l" K# i* F
                  //ouput incorrect message* ?" f: t3 X( x! w! X! y
            }
         }, _! E7 ^! A5 p1 o" |- V9 f
% ], d4 ^$ K6 J/ L/ F* [2 H( a
         d = new Date();& H: x7 Q& `  y; j" k8 D
         end = d.getTime(); // 結束答題時間$ M3 f/ o7 U; _, a7 k
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");
      }
}

返回列表

TQC107 ~ TQC110 答案

[收藏此主題] [關注此主題的新回復]

[通過 QQ、MSN 分享給朋友]