TQC107 ~ TQC110 答案

TQC107. F' w, j. e( r! U) Y
public class test{

      public static void main(String args[]){  `" f$ {. [1 D, _5 D

            //0 1 2 3 1 I, b; C4 D7 t5 s4 V6 q
            //1 1 2 36 c2 D/ }- V" J0 p3 ?
            //2 1 2 35 d3 h" m9 [; i( M% R/ ~
            ( s( X+ x% G0 s* P6 ?- S  k' {
            float tot = 0 ;
            for(int i=1;i<args.length;i++){
                     tot += Float.parseFloat(args[i]);
            }$ ], S4 s9 `: H1 m! ^: T- |
            tot /= (args.length-1) ;) y) I* _. E) X1 @* b! c
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            if(args[0].equals("0")){
                     System.out.printf("平均值:%f",tot);
            }else if(args[0].equals("1")){
                     System.out.printf("平均值:%.1f",tot);
            }else{4 F4 A2 p; m* W3 q+ V. V( v
                     System.out.printf("平均值:%.2f",tot);
            }5 z9 O; x+ B. B; f5 N- m
            ! i8 t* p& o- o

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}
TQC108( U2 y, v% z  S% d$ B
import java.lang.*;" k, S9 h) {: z" Y
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public class TQC108* A7 X0 e# N9 ]# W' M( O
{
  public static void main(String[] args)                                        - Q/ n: P7 t& I  n+ M+ y
  {" w! t% ~: A1 M9 d
for(int i = 1 ; i< 10 ; i++){
   for(int j = 1 ; j <10 ; j++)
      System.out.print(""+i+"*"+j+"="+(i*j)+"\t");
   System.out.println();2 ]* C0 F- c4 F1 }) n& m  a/ P9 o
}! C. g4 x4 R/ H+ K3 i8 [' K# L# B; w
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}
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TQC1091 j3 d( B# L  Z3 g$ S/ j
public class TQC109 {
  public static void main(String args[]) {
int r;
r=(int)(Math.random()*100+1);3 ~, c  n4 M. l  F/ M
double area = r*r*Math.PI;9 T9 R7 a. |% `5 M
double vol = r*r*r*Math.PI*43;0 A& b- m& X& d  J# m, n
System.out.println( "隨機產生的半徑為：" + r );  `' c( a+ o; B2 ~/ @; w: d9 H" G1 ^
System.out.println( "計算後，直徑為：" + (2*r) );
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);, I$ J+ q4 R7 W$ V) W; j
System.out.println( "計算後，圓體積為：" + vol );# c9 ]  t* R1 Q" u$ `: m. O
System.out.printf( "四捨五入至小數第1位，則圓體積為：%.1f \n\n",vol);/ _; i: Y/ E0 R% Z( }& V6 [
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}
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TQC110 6 J- ?; a3 J6 ]. V5 _' n9 X; k
import java.io.*;; q# u4 M: M( @. i
import java.util.Date;

class TQC110{
      String items[][];
      long start, end;" U4 G/ T& F* n3 \! W7 U
      Date d;
      BufferedReader br;, T" i" z! m0 B" Z0 P1 ]
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      public static void main(String args[]){' Q/ V( ?$ N# W
         int total = args.length;
         int pairs = total / 2;
         TQC110 tte;5 y1 w" O, W! J) F
         if(total != 0 && pairs != 0)
         {
            //get value from args..6 T( {9 u/ g# E7 n
            String[][] tt = new String[pairs][2];2 g& H  K% i; S3 z1 c+ M8 ]4 Y* t
            for(int i=0; i<pairs; i+=2){; b4 @; m3 O% o& D
                  tt[i][0] = args[i];0 a/ g5 P8 k2 T! B" f9 C% H
                  tt[i][1] = args[i+1];
            }% Y/ M# y, ]4 A. ^
            tte = new TQC110(tt);
         }else
               tte = new TQC110();+ O8 s  R/ Q3 p0 C
         tte.start();- T6 X# v( T4 k6 ~
      }8 ], r4 E- l5 h

      TQC110(){
         items = new String[5][2];
         items[0][0] = "電腦";
         items[0][1] = "computer";
         items[1][0] = "資料庫";
         items[1][1] = "database";* c5 L7 j. E) ^8 o: O3 P' T
         items[2][0] = "語法";
         items[2][1] = "syntax";- O$ p% O0 F! _, S# h% Y' h
         items[3][0] = "學校";
         items[3][1] = "school";
         items[4][0] = "假期";+ ^5 f' x) x' c4 k' j5 y
         items[4][1] = "vacation";
         //make default value
         br = new BufferedReader(new InputStreamReader(System.in));/ c. \! N. r" v- l: M
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      TQC110(String[][] it){7 i. V" Z5 r' w4 L+ g
         items = it;
         br = new BufferedReader(new InputStreamReader(System.in));9 v0 k% n& [! y. V4 M
      }

      void start(){
         String ans = "";
         int correct = 0;    // 計算答對題數( O& H& C3 \* P6 \8 s# X" N8 C9 h
         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!");7 s# P& d' L+ P/ C
         System.out.println("輸入英文單字答案後請按Enter鍵：");$ {  j, g6 A! j$ t$ u: r
         System.out.println("          ");
         for(int j = 0; j < items.length ; j++)! p6 ^% u- k* C! S
         {
            System.out.println("第" + (j + 1) + "題__ " + items[j][0]);% G; {, a, \* K
            try{/ i% |3 {, Y# ~  s$ o' ~2 e
                  ans = br.readLine();
            }
            catch(IOException ioexception){
                  System.out.println(ioexception);7 q3 z( q9 z/ M8 p0 I
            }9 K* D, k' d$ `5 K" Y
            if(ans.equalsIgnoreCase(items[j][1])){
                  correct+=1;
                  System.out.println("答對了!");
                  //count correct) S0 v6 E5 W8 j) `- K4 i9 r: S" n! }
                  //ouput correct message
            }else{9 Q; |& Y/ x' e6 q9 I
                              System.out.println("答錯了! 正確答案是:" + items[j][1]);7 O8 t! \8 U3 A6 T9 H
                  //ouput incorrect message* w* k6 ?$ ]# P6 n
            }
         }9 X+ F: \5 L/ {( }" o; T
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         d = new Date();
         end = d.getTime(); // 結束答題時間. N0 l0 C0 t. G5 P& X1 S
         System.out.print("你使用了" + (end - start) / 1000L + "秒，  在");
         System.out.println(items.length + "題中答對了" + correct + "題");/ j1 w' A# T. t. c: L/ \
      }
}

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TQC107 ~ TQC110 答案

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