TQC107 ~ TQC110 答案

TQC1076 y1 s0 Z( t% u, p+ t8 F
public class test{
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      public static void main(String args[]){! b! i. z) W3 Y  e) g& f
      , ^) j+ u# u* ~2 ?9 ~% I
            //0 1 2 3 . H3 \1 g* B" C2 L0 y  [$ @9 R
            //1 1 2 3
            //2 1 2 33 q# L6 r8 O/ z2 \+ q' l: ^) l% Z+ J9 t
            # B( a  E+ @) ^: L+ ?
            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);2 T+ z) ]8 U; e3 J. ]
            }; M4 b& R' l0 C* M
            tot /= (args.length-1) ;
            ; P  f6 ~: n( e0 n( j
            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){% ~3 k) a/ _' t8 d- `# i
                     System.out.printf("平均值:%.1f",tot);
            }else{& G/ m9 x: w& t, f
                     System.out.printf("平均值:%.2f",tot);
            }  c, N6 D/ t( r% d1 K
            % z0 V1 m# d% f5 U5 r0 k
            + a( d6 c6 m4 d( l
      }+ x" Z9 }% c7 `
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}
TQC108
import java.lang.*;

public class TQC108/ m  R  d0 C; t2 X" A8 V. T7 `
{
  public static void main(String[] args)                                        % h3 T" U; l' d  v  U
  {
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)  y+ ^% p3 c8 }
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();3 I: n9 P1 G% Q- ?. |* U& b* T! x
}
  }
}

TQC109. `) T, |; w( N/ m- k' x
public class TQC109 {- W8 Q4 h+ c5 n" e6 r( D1 G# G
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);, D+ M/ C' p6 W6 U: C
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 );1 H: w2 X: V  m
System.out.println( "計算後，直徑為：" + (2*r) );, C1 l/ m4 Q9 u: [$ e* _
System.out.println( "計算後，圓面積為：" + area );. ^6 k* R# O2 ~0 L
System.out.printf( "四捨五入至小數第1位，則圓面積為：%.1f \n\n",area);0 R7 _" a' o; s5 `* i- o6 h* D
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);. K; z1 \- t  Y, N$ u( F; D
  }  {7 W9 e" }/ J0 e7 p
}
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TQC110 : K3 U* T9 W, U/ R. C( w$ q/ d! {
import java.io.*;; Z; f! G+ \: ]6 K3 g- _
import java.util.Date;/ V! K, S2 q3 l  v. W+ o# G( a/ q# @

class TQC110{1 o* Y- t+ i% t+ N: Y' U9 b
      String items[][];9 G1 v: o/ ^& `  i1 d. _3 T7 Z9 \
      long start, end;! W0 B! j/ A. |: k. K
      Date d;" a' c$ N; l1 ~
      BufferedReader br;4 N) `0 F, g$ Y* D- m; @# F7 I

      public static void main(String args[]){
         int total = args.length;
         int pairs = total / 2;
         TQC110 tte;0 R7 }% h% J; p, ]4 O2 ~
         if(total != 0 && pairs != 0)
         {( x  |/ F, y. b
            //get value from args.., y7 g' k. n! c, ]2 ~& f$ X8 l
            String[][] tt = new String[pairs][2];
            for(int i=0; i<pairs; i+=2){
                  tt[i][0] = args[i];$ y3 x! |$ B) W! z% ?3 l
                  tt[i][1] = args[i+1];; W& t- z; P% g3 H8 x1 u6 U1 v
            }' c( R% Q# U  s. Z; G
            tte = new TQC110(tt);
         }else
               tte = new TQC110();
         tte.start();
      }7 y- H+ O$ c- M

      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";/ o% o/ q8 f* I
         items[1][1] = "database";/ `# V9 Z! O0 T3 Z
         items[2][0] = "語法";
         items[2][1] = "syntax";
         items[3][0] = "學校";
         items[3][1] = "school";) p( U9 m* J2 d3 A; W' T8 d0 O
         items[4][0] = "假期";( |6 b8 V; P: q0 Q6 ?& {: R
         items[4][1] = "vacation";1 F% F# ]; U% @* T" D7 ~
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));
      }3 S: b  l0 J$ ^  M* K2 f* R
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      TQC110(String[][] it){1 V: U2 v& _7 O/ g/ H4 N3 V1 O/ L
         items = it;1 Q4 c3 _2 u5 V8 y! \
         br = new BufferedReader(new InputStreamReader(System.in));2 y# k6 T7 C4 Q( w4 V; z$ O' q
      }2 K* m/ g! n3 A% }  t
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      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數$ x3 J* _# T0 f4 j4 t
         d = new Date();
         start = d.getTime();  // 開始答題時間) v/ q: ?8 p9 l9 q
         System.out.println("請將題目的中文詞彙翻譯成英文單字!");* @$ F( A1 y; m0 ?; E
         System.out.println("輸入英文單字答案後請按Enter鍵：");
         System.out.println("          ");0 P' C* l/ u: b2 K
         for(int j = 0; j < items.length ; j++)
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            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);# K5 ?* r$ J! L1 i$ V# K
            try{. n4 a1 g, e1 H5 [
                  ans = br.readLine();
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);
            }
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;" c; k8 u& G) L& v
                  System.out.println("答對了!");- M2 B( `2 p0 p: ?1 B
                  //count correct) I0 q" A. r+ ?) {" ], {$ |
                  //ouput correct message
            }else{
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);) m+ I$ A4 N$ a- Z3 r% L* c8 i" ]# E
                  //ouput incorrect message, F, j. V' x8 ^, m, q' p) H4 C# h
            }
         }
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         d = new Date();
         end = d.getTime(); // 結束答題時間# j, j% C0 G. q
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");# |- ^. u, {- ~4 }+ u! ^5 l
         System.out.println(items.length + "題中答對了" + correct + "題");
      }
}

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TQC107 ~ TQC110 答案

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