树德科技大学资讯工程系九十八学年度

int m=5;
System.out.println("fn("+ m +")="+
test.fn(m));
}
}
6.請寫出執行結果(10%)
class Clock {
int hh;
int mm;
Clock(int hh, int mm){
this.hh=hh;
this.mm=mm;
}
Clock(){
System.out.println("y= " +y);
System.out.println("z = " + z);
System.out.println("");
}
int y=15;
}
}
4.請寫出執行結果(10%)
classPoint{
intx,y;
void setxy(intx,inty){
this.x=x;
x = p.x;
y = p.y;
}
public Point () {
}
}
class Circle {
private Point p;
private double r;
public Point getp() {
return p;
}
Circle(double x,double y,double r) {
}
}
public class EX27{
public static void main(String[] argv){
block a = new block();
int area;
area = a.area(10,20);
System.out.println("area=" + area);
area = a.area(5,10,15,25);
voidmove(int x, int y){
this.x+=x;
this.y+=y;
}
void disp(){
System.out.println("座標=("+ x +","+ y+")");
}
}
public classEX22{
public static void main(String[] argv) {
s1.setscore(75);
s2.setscore(68);
System.out.print("s1,"); s1.disp();
System.out.print("s2,"); s2.disp();
}
}
樹德科技大學資訊工程系九十八學年度
第一學期第二階段Java 3程式設計筆試作答頁(98/11/30)
this(5);
}
Clock(int hh){
this.hh=hh;
mm=30;
}
void disp(){
System.out.println(hh+":" + mm);
}
}
public class EX26{
public static void main(String[] argv) {
Clock w1 = new Clock(18,15);
}
}
5.請寫出執行結果(10%)
class Math {
int fn(int m){
if (m <= 0)
return 3;
else
return 2*fn(m-1)+ 4;
}
}
public class EX25{
public static void main(String[] argv) {
Math test = new Math();
Point p1= newPoint();
p1.x=3; p1.y=4;
p1.disp();
p1.move(5,6);
p1.disp();
}
}
3.請寫出執行結果(10%)
public classEX23{
public static void main(String[] argv){
int x =10;
Clock w2 =new Clock(6);
Clock w3 =new Clock();
System.out.print("w1= "); w1.disp();
System.out.print("w2= "); w2.disp();
System.out.print("w3= "); w3.disp();
System.out.println("area=" + area);
}
}
8.請寫出執行結果(10%)
class Test {
private int x;
static int y=60;
public Test(int x) {
this.x = x;
}
public String toString() {
物件b(x,y):(20,60)
4.
p1座標座標(7,6)
p2座標座標(2,10)
D=41
9.
圓心座標：(3.0,4.0)半徑：5.0
圓心座標：(10.0,12.0)半徑：5.0
5.
fn(5)=220
10.
s1,101班, 98年度, score=75.0
s2,101班, 98年度, score=68.0
樹德科技大學資訊工程系九十八學年度
第一學期第二階段Java3程式設計
筆試考卷(98/11/30)
※答案必須寫在4-4作答頁，否則不予記分※
1.請寫出執行結果(10%)
class Test {
int x;
int y=5;
void showx() {
System.out.println("x = " + x);
return "(x,y):(" + x + "," + y + ")";
}
}
public class EX28{
public static void main(String[] argv){
System.out.println("static y= "+Test.y);
Test a = new Test(10);
}
}
7.請寫出執行結果(10%)
class block {
int area(int W,int H) {
return W * H;
}
int area(int L,int T,int R, int B) {
int A;
A=(T-B)*(L-R);
if (A<0) return -A;
else return A;
Pointp1 = newPoint();
Pointp2 = newPoint();
p1.setxy(7,6);
p2.setxy(2,10);
System.out.print("p1座標"); p1.disp();
System.out.print("p2座標"); p2.disp();
System.out.println("D="+ p1.dist(p2));
Circle c = new Circle(3,4,5);
System.out.println(c);
Point p = new Point();
p=c.getp();
p.setxy(10,12);
System.out.println(c);
}
}
10.請寫出執行結果(10%)
class Std {
private float score;
this.x = x;
this.y = y ;
}
public String toString() {
return "圓心座標：(" + x + "," + y + ")";
}
public Point (double x,double y) {
this.x = x;
this.y = y;
}
public Point (Point p) {
this.y=y;
}
void disp(){
System.out.println("座標(" + x +"," +y +")");
}
int dist(Pointp){
return(x-p.x)*(x-p.x)+(y-p.y)*(y-p.y);
}
}
public classEX24{
public static void main(String[] argv) {
學號
姓名
分數
1.
a.x = 30
b.x = 20
a.y = 5
6.
w1= 18:15
w2= 6:30
w3= 5:30
2.
座標=(3,4)
座標=(8,10)
7.