网站后台维护管理系统代码Word文档下载推荐.docx
《网站后台维护管理系统代码Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《网站后台维护管理系统代码Word文档下载推荐.docx(110页珍藏版)》请在冰点文库上搜索。
j<
=i;
j++){
System.out.print(j+"
*"
+i+"
="
+(i*j)+"
\t"
System.out.println();
importjava.util.Scanner;
Scannersc=newScanner(System.in);
while(true){
System.out.println;
Strings=sc.next().trim();
if("
.equalsIgnoreCase(s)){
System.out.println;
doubledb=sc.nextDouble();
doubledb2=(db*9/5)+32;
System.out.println("
+db2+"
F"
}elseif("
f"
doubledb2=(db-32)*5/9;
System.out.println(+Math.round(db2)+"
C"
}elseif("
exit"
.equalsIgnoreCase(s)){
break;
}
booleanflag=true;
while(flag){
Stringstr=sc.nextLine().trim();
if(str.endsWith("
)||str.endsWith("
)){
Stringst=str.substring(0,str.length()-1);
doubledb=Double.parseDouble(st);
//[0,2)
//2doubledb=Double.valueOf(st).doubleValue();
}elseif(str.endsWith("
.equalsIgnoreCase(str)){
flag=false;
inta=1,b=2,c=3,d=0;
d=a>
b?
a:
b;
(a>
c?
c):
(b>
b:
c);
System.out.println;
packageone;
importjava.awt.BorderLayout;
importjava.awt.GridLayout;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjavax.swing.JButton;
importjavax.swing.JFrame;
importjavax.swing.JPanel;
importjavax.swing.JTextField;
publicclassJsqimplementsActionListener{
privateJFrameframe;
privateJButton[]bus;
privateJTextFieldjtx;
privateJButtonbu;
privatechar[]strs;
privateStringd_one="
"
;
privateStringoperator;
newJsq();
publicJsq(){
frame=newJFrame;
jtx=newJTextField(14);
bus=newJButton[16];
strs="
789/456*123-0.+="
.toCharArray();
for(inti=0;
i<
16;
i++){
bus[i]=newJButton(strs[i]+"
bus[i].addActionListener(this);
bu=newJButton("
bu.addActionListener(this);
init();
/*GUI*/
publicvoidinit(){
JPaneljp1=newJPanel();
jp1.add(jtx);
jp1.add(bu);
frame.add(jp1,BorderLayout.NORTH);
JPaneljp2=newJPanel();
jp2.setLayout(newGridLayout(4,4));
jp2.add(bus[i]);
frame.add(jp2,BorderLayout.CENTER);
frame.pack();
frame.setLocation(300,400);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
publicvoidactionPerformed(ActionEventarg0){
Stringconn=arg0.getActionCommand();
if("
.equals(conn)){
d_one="
operator="
jtx.setText("
return;
if("
."
.equals(conn)){
if(("
+-*/"
.indexOf(conn))!
=-1){
if("
.equals(d_one)&
&
"
.equals(jtx.getText()))return;
d_one=jtx.getText();
operator=conn;
doubledb=0;
+"
.equals(operator)){
db=Double.parseDouble(d_one)
+Double.parseDouble(jtx.getText());
jtx.setText(db+"
-"
-Double.parseDouble(jtx.getText());
*Double.parseDouble(jtx.getText());
/"
/Double.parseDouble(jtx.getText());
d_one=db+"
jtx.setText(jtx.getText()+conn);
intn=5;
for(inti=0;
=n;
for(intj=0;
n-i;
System.out.print("
for(intk=0;
k<
2*i-1;
k++){
Stringname=null;
Scannersca=newScanner(System.in);
charfirstChar;
do{
System.out.println("
pleaseinputyourname"
name=sca.nextLine();
firstChar=name.charAt(0);
}while(!
(firstChar>
='
a'
&
firstChar<
z'
||
firstChar>
A'
Z'
));
OK!
yournameis:
+name);
importjavax.swing.JLabel;
privateJLabeljl1;
privateJLabeljl2;
privateJLabeljl3;
/**/
newSwitchTest().getTime();
privatevoidgetTime(){
longtime=1*3600;
longhour=0;
longminute=0;
longseconds=0;
while(time>
=0){
hour=time/3600;
minute=(time-hour*3600)/60;
seconds=time-hour*3600-minute*60;
jl1.setText(hour+"
时"
jl2.setText(minute+"
分"
jl3.setText(seconds+"
秒"
try{
Thread.sleep(1000);
}catch(InterruptedExceptione){
e.printStackTrace();
time--;
publicSwitchTest(){
jl1=newJLabel();
jl2=newJLabel();
jl3=newJLabel();
privatevoidinit(){
JPaneljp=newJPanel();
jp.add(jl1);
jp.add(jl2);
jp.add(jl3);
frame.add(jp);
frame.setLocation(300,400);
frame.setSize(300,200);
publicclassSjx{
intSIZE=19;
SIZE;
if(i<
10){
+i);
}else{
+(char)(i+'
-10));
System.out.println();
//System.out.print(i<
10?
(char)(i+'
0'
):
for(inti=0;
if(i<
System.out.print(i+"
//
}else{
System.out.print((char)(i+'
-10)+"
for(intj=0;
System.out.print("
System.out.println();
packageday04;
publicclassArrayTest{
char[][]arr=newchar[4][7];
Strings="
arr.length;
arr[i].length;
arr[i][j]=s.charAt(i*7+j);
}
for(inti=0;
arr[0].length;
for(intj=0;
System.out.print(arr[arr.length-j-1][i]+"
}
System.out.println();
packageday02;
publicclassFangk{
for(inti=1000;
=9999;
intq=i/1000;
intb=i/100%10;
ints=i/10%10;
intg=i%10;
if(q>
b&
s>
g&
q+g==b+s&
b%2!
TheMinNumberis:
loop1:
for(intq=1;
q<
q++){
loop2:
for(intb=0;
b<
b++){
if(b%2==0){
continueloop2;
for(ints=0;
s<
s++){
for(intg=0;
g<
g++){
if(q>
q+g==b+s){
System.out.println("
+(q*1000+b*100+s*10+g));
breakloop1;
}
}
intnum=14;
booleanflag=true;
for(inti=2;
=num/2;
if(num%i==0){
flag=false;
break;
if(flag){
System.out.println(num+"
isaprimenumber!
}else{
isnotaprimenumber!
publicclassA1{
intn;
Scannersca=newScanner(System.in);
pleaseinputanumber:
n=sca.nextInt();
if(isPrimeNumber(n)){
System.out.println(n+"
isaprimenumber!
isnotaprimenumber!
publicstaticbooleanisPrimeNumber(intn){
for(inti=2;
=n/2;
if(n%i==0){
returnfalse;
returntrue;
publicclassDaoxu{
intolddata=3758;
intnewdata=0;
while(olddata!
4;
newdata=newdata*10+olddata%10;
olddata=olddata/10;
newdata="
+newdata);
Scanners=newScanner(System.in);
n=s.nextInt();
for(inti=31;
i>
=0;
i--){
if((n&
(1<
<
i))!
1"
0"
if((32-i)%8==0){
}
publicclassFangk{
intm=5,n=6;
n;
i++)