Java运行程序写结果学生版Word下载.docx
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Java运行程序写结果学生版Word下载.docx
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else
y=3*x-11;
System.out.println(y);
4.当在命令提示符后输入”javaFactorial33”之后,下列程序的输出结果为:
publicclassFactorial3{
intnum=Integer.parseInt(args[0]);
intresult=1;
if(num<
System.out.println("
应输入大于1的整数!
"
else{
inti;
for(i=1;
=num;
result=result*i;
结果是:
+result);
}
5.下列程序的输出结果为:
publicclassX{
publicstaticvoidmain(String[]args)
Stringnames[]=newString[5];
for(intx=0;
args.length;
x++)
names[x]=args[x];
System.out.println(names[2]);
6.下列程序的输出结果为:
publicclassTest{
System.out.print(3.5+1/2+56%10+"
"
);
System.out.print(3.5+1.0/2+56%10+"
inta=4%3*7+1;
System.out.println(a);
7.下列程序的输出结果为:
publicclassA1{
publicstaticvoidmain(Stringargs[]){
inta[]=newint[5];
a[0]=1;
a[1]=2;
a[2]=3;
a[3]=4;
a[4]=5;
System.out.print("
a["
+0+"
]="
+a[0]+"
System.out.print("
+1+"
+a[1]+"
System.out.println("
+2+"
+a[2]+"
+3+"
+a[3]+"
+4+"
+a[4]);
}
8.下列程序的输出结果为:
publicclassarray1D_1{
publicstaticvoidmain(Stringargs[]){
inti;
inta[];
a=newint[5];
for(i=0;
i<
5;
i++)
a[i]=i;
for(i=a.length-1;
i>
=0;
i--)
System.out.print(“a[“+i+”]=”+a[i]+”,\t”);
9.运行结果是:
publicclassTest1{
Stringstr=newString("
Hi!
char[]ch={'
L'
'
i'
k'
e'
};
publicstaticvoidmain(Stringargs[]){
Test1ex=newTest1();
System.out.print(ex.str+"
System.out.print(ex.ch);
10.运行结果是:
publicclassTest3{
publicstaticvoidmain(String[]args){
for(i=3;
i<
=20;
i++){
if((i%2)==0)
System.out.print(i+"
}
11.运行结果是:
publicclassTest4{
inti,sum=0;
i++)
if((i%2)==0)sum=sum+i;
i="
+i+"
sum="
+sum);
12.运行结果是:
publicclassTest5{
for(i=1;
=100;
if((i%2)==1)
sum=sum+i;
System.out.println(sum);
13.运行结果是:
classTest6{
inti;
for(i=0;
10;
i++){
System.out.print(i+"
if(i%2!
=0)continue;
14、运行结果是:
publicclassTest14{
intn=1,m,j,i;
=30;
i+=2){
m=(int)Math.sqrt((double)i);
for(j=2;
j<
=m;
j++)
if((i%j)==0)
break;
if(j>
=m+1){
if(n%5==0)
System.out.print("
\n"
n++;
}
15.下列程序的输出结果为:
inty,x=1,total=0;
while(x<
=10){
y=x*x;
System.out.print(y+"
total+=y;
++x;
totalis"
+total);
16.下列程序的输出结果为:
publicclassWhileExample{
publicstaticvoidmain(String[]args){
StringcopyFromMe="
Copyeveryletteruntilyouencounter'
u'
."
;
StringBuffercopyToMe=newStringBuffer();
//创建一个空的串变量
inti=0;
charc=copyFromMe.charAt(i);
while(c!
='
)
{copyToMe.append(c);
c=copyFromMe.charAt(++i);
System.out.println(copyToMe);
17.下列程序的输出结果为:
publicclassBreakExample{
int[][]array={{32,87,3},{589,12,1076},{2000,8,622}};
intsearch=1076,i=0,j=0;
booleanfoundIt=false;
for(i=0;
3;
i++){
for(j=0;
j<
j++){
if(array[i][j]==search){foundIt=true;
break;
}//跳出内层循环
if(foundIt)break;
//跳出外层循环
if(foundIt)
System.out.println("
Found"
+search+"
ati="
+i+"
j="
+j);
else
System.out.println(search+"
isnotinthearray"
18.下列程序的输出结果为:
publicclassSumDemo2{
intsum=0,i=0;
do{
if(i%2==0)
sum=sum+i;
i++;
}while(i<
=20);
System.out.println("
其最终和是:
19.下列程序的输出结果为:
publicclassAddTest{
intnum1,num2;
num1=10;
num2=20;
System.out.println(num1+"
+num2+"
+add(num1,num2));
staticintadd(intop1,intop2){
returnop1+op2;
20.下列程序的输出结果为:
classgeneralFunction{
publicstaticintadd(intx,inty){returnx+y;
}//静态方法
publicclassStaticFunTest{
intc=generalFunction.add(7,8);
7+8="
+c+“,“);
generalFunctionfun=newgeneralFunction();
intd=fun.add(5,8);
5+8="
+d);
21.下列程序的输出结果为
classBox{
intlength,width,height;
publicvoidsetInfo(intl,intw,inth){
length=l;
width=w;
height=h;
publicintvolumn(){
returnlength*width*height;
publicintarea(){
return(length*width+length*height+width*height)*2;
publicStringtoString(){
return"
Length:
+length+"
width:
+width+"
height:
+height
+"
volumn:
+volumn()+"
area:
+area();
publicclassBoxTest{
Boxb=newBox();
b.setInfo(5,2,4);
System.out.println(b.toString());
22.下列程序的输出结果为:
publicclassExample
{
Stringstr=newString("
good"
char[]ch={'
a'
'
b'
c'
};
publicstaticvoidmain(Stringargs[])
{
Exampleex=newExample();
ex.change(ex.str,ex.ch);
System.out.print(ex.str+"
and"
System.out.print(ex.ch);
}
publicvoidchange(Stringstr,charch[])
str="
testok"
ch[0]='
g'
23.下列程序的输出结果为:
//arrayParam1.java以数组为参数的方法调用
publicclassarrayParam1{
publicstaticvoidmain(Stringargs[]){
inta[]={8,3,7,88,9,23};
LeastNumbMinNumber=newLeastNumb();
MinNumber.least(a);
classLeastNumb{
publicvoidleast(intarray[]){
inttemp=array[0];
for(inti=0;
array.length;
if(temp>
array[i])temp=array[i];
最小的数为:
+temp);
24.运行结果是:
(B6)(p50例4.11)
importjava.awt.*;
importjava.applet.*;
classMemberVar{
staticintsn=30;
finalintfn;
finalintfk=40;
MemberVar(){
fn=++sn;
publicclassTest10extendsApplet{
publicvoidpaint(Graphicsg){
MemberVarobj1=newMemberVar();
MemberVarobj2=newMemberVar();
g.drawString("
obj1.fn="
+obj1.fn,20,30);
obj1.fk="
+obj1.fk,20,50);
obj2.fn="
+obj2.fn,20,70);
obj2.fk="
+obj2.fk,20,90);
25.下列程序的输出结果为:
classA
{
staticinty=3;
voidshowy(){System.out.println("
y="
+y);
classtestA
publicstaticvoidmain(Stringaaa[])
{Aa1=newA();
A.y+=1;
a1.y++;
a1.showy();
26.运行结果是:
publicclassTest9{
staticbooleanfoo(charc){
System.out.print(c);
returntrue;
publicstaticvoidmain(String[]argv){
inti=0;
for(foo('
B'
foo('
A'
)&
(i<
2);
C'
)){
i++;
foo('
D'
27.运行结果是:
importjava.io.*;
publicclassTest2{
Subsb=newSub();
System.out.println(sb.method());
classFather{
inta=3,b=2;
intmethod(){returna-b;
classSubextendsFather{
intmethod2(){returna+b;
28.下列程序的输出结果为
classAclass
voidgo()
Aclass"
publicclassBclassextendsAclass
Bclass"
publicstaticvoidmain(Stringargs[]){
Aclassa=newAclass();
Aclassa1=newBclass();
a.go();
a1.go();
29.下列程序的输出结果为:
classBall{
privatedoubler;
publicvoidsetR(doublex){
r=x;
publicdoublegetR(){
returnr;
classBilliardsextendsBall{
privateStringcolor;
publicvoidsetCol(Stringcol){
color=col;
publicvoidshow(){
台球的颜色是"
+color+"
半径是"
+getR());
publicclassDemo{
publicstaticvoidmain(String[]args){
Ballb1=newBall();
b1.setR(10);
球的半径是"
+b1.getR());
Billiardsb2=newBilliards();
b2.setR(5);
b2.setCol("
蓝色"
b2.show();
30.运行结果是:
publicclassTest12extendsTT{
Test12t=newTest12("
Tom"
publicTest12(Strings){
super(s);
Howdoyoudo?
publicTest12(){
this("
IamTom"
classTT{
publicTT(){
Whatapleasure!
publicTT(Strings){
this();
Iam"
+s);
31.运行结果是:
publicclassTest13extendsTT{
Test13t=newTest13();
publicTest13(Strings){
publicTest13(){
classT
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