Code examples for java, php, javascript, html5, css, html, mysql and various frameworks.
public interface YourManager extends GenericManager<YourEntity, Long> {
}
public class YourManagerImpl extends GenericManagerImpl<YourEntity, Long> implements YourManager{
YourDao yourDao;
public YourManagerImpl(YourDao yourDao) {
super(yourDao);
this.yourDao = yourDao;
}
}
<constructor-arg ref="yourDao"/> </bean>
@Entity
@Table(name="your_entity")
public class YourEntity extends BaseObject implements Serializable {
private Long yourEntityId;
private String name;
private String description;
private Date startDate;
public YourEntity() {
}
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "education_id")
public Long getYourEntityId() {
return yourEntityId;
}
public void setEducationId(Long educationId) {
this.educationId = educationId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Temporal(javax.persistence.TemporalType.DATE)
@Column(name = "start_date")
public Date getStartDate() {
return startDate;
}
public void setStartDate(Date startDate) {
this.startDate = startDate;
}
@Override
public int hashCode() {
int hash = 7;
hash = 19 * hash + (this.name != null ? this.name.hashCode() : 0);
hash = 19 * hash + (this.description != null ? this.description.hashCode() : 0);
hash = 19 * hash + (this.startDate != null ? this.startDate.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Education other = (Education) obj;
if ((this.name == null) ? (other.name != null) : !this.name.equals(other.name)) {
return false;
}
if ((this.description == null) ? (other.description != null) : !this.description.equals(other.description)) {
return false;
}
if (this.startDate != other.startDate && (this.startDate == null || !this.startDate.equals(other.startDate))) {
return false;
}
return true;
}
@Override
public String toString() {
return "Education{" + "educationId=" + educationId + ", name=" + name + ", description=" + description + ", startDate=" + startDate + '}';
}
}
public interface YourDao extends GenericDao<YourEntity, Long> {
}
public class YourDaoHibernate extends GenericDaoHibernate<YourEntity, Long> implements YourDao {
public YourDaoHibernate() {
super(YourEntity.class);
}
}
<constructor-arg value="com.company.model.YourEntity"/>
<html>
<body>
<div wicket:id="wmc">
| Name | |
|---|---|
public class MyPage extends WebPage {
UserDao dao = new UserDao();
private WebMarkupContainer wmc;
private IModel<List<User>> userListModel = new LoadableDetachableModel<List<User>>() {
@Override
public List<User> load() {
List<User> userList = dao.getUsers();
return userList;
}
};
public MyPage(String id) {
super(id);
wmc = new WebMarkupContainer("wmc");
wmc.setOutputMarkupId(true);
add(wmc);
ListView listView = new ListView("listView", userListModel) {
@Override
protected void populateItem(ListItem item) {
User user = (User) item.getModelObject();
item.add(new Label("name", user.getName()));
item.add(new Label("email", user.getEmail());
}
};
listView.setOutputMarkupId(true);
wmc.add(listView);
add(new AjaxFallbackLink("updateWmcLink") {
@Override
public void onClick(AjaxRequestTarget target) {
if (target != null) {
target.add(wmc);
}
}
});
}
}
public class User {
private String name;
private String email;
public User {
}
public Long getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Long getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
<html>
<body>
| Name | |
|---|---|
public class MyPage extends WebPage {
UserDao dao = new UserDao();
private IModel<List<User>> userListModel = new LoadableDetachableModel<List<User>>() {
@Override
public List<User> load() {
List<User> userList = dao.getUsers();
return userList;
}
};
public MyPage(String id) {
super(id);
ListView listView = new ListView("listView", userListModel) {
@Override
protected void populateItem(ListItem item) {
User user = (User) item.getModelObject();
item.add(new Label("name", user.getName()));
item.add(new Label("email", user.getEmail());
}
};
listView.setOutputMarkupId(true);
add(listView);
}
}
public class User {
private String name;
private String email;
public User {
}
public Long getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Long getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
var s1 = "string 1"; var s2 = " - string 2 "; var s = s1 + s2; var number1 = 5; var number2 = 5; document.write(s); document.write(number1 + number2);Renders:
Renders:Hello World!
document.getElementById("myHeading").innerHTML="Gimme Five!"; document.write("Javascript did this
");
Javascript did this
<!doctype html> <html lang="en"> <head> </head> <body> </body> </html>
| user_id | name | city | age |
|---|---|---|---|
| 1 | Pauline jameson | New York | 15 |
| 2 | Jimmy McNulty | Los Angeles | 44 |
| 2 | Andrew Wilkins | Chicago | 15 |
| 2 | Bob Seizmore | New York | 16 |
| gender | user_id |
|---|---|
| female | 1 |
| male | 2 |
| male | 3 |
| male | 4 |
SELECT users.name,user_gender.gender FROM users,user_gender WHERE users.user_id = user_gender.user_id;Result:
| name | gender |
|---|---|
| Pauline jameson | female |
| Jimmy McNulty | male |
| Andrew Wilkins | male |
| Bob Seizmore | male |
| user_id | name | city | age |
|---|---|---|---|
| 1 | John Doe | New York | 15 |
| 2 | Jimmy McNulty | Los Angeles | 44 |
| 2 | Andrew Wilkins | Chicago | 15 |
| 2 | Bob Seizmore | New York | 16 |
SELECT * FROM users WHERE age<18 AND city='New York' OR city='Chicago';Result:
| user_id | name | city | age |
|---|---|---|---|
| 1 | John Doe | New York | 15 |
| 2 | Bob Seizmore | New York | 16 |
| 2 | Andrew Wilkins | Chicago | 15 |
<!doctype html> <html lang="en"> <head>My Title </head> <body> </body> </html>
String string1 = "5up"; String string2 = "5up"; // false string1 == string2; // true string1.equals(string2);
public interface Animal {
public void makeASound();
}
public class Dog implements Animal {
public void makeASound() {
System.out.print("bark");
}
public static void main(String args[]){
Dog dog = new Dog();
dog.makeASound();
}
}
public class Animal {
public String animalSound;
public Animal(String aSound) {
animalSound = aSound;
}
public void makeASound() {
System.out.println(animalSound);
}
}
public class Dog extends Animal {
public Dog(String aSound) {
super(aSound);
}
public static void main(String args[]) {
Dog dog = new Dog("bark");
dog.makeASound();
}
}
long l = 1; int i = (int) l;
public static int convertLongToInt(long l) {
if (l < Integer.MIN_VALUE || l > Integer.MAX_VALUE) {
throw new IllegalArgumentException
("Invalid value for: " + l);
}
return (int) l;
}
for(int i = 1; i < 6; i++) {
System.out.println(i);
}
Will produce:List<Integer> list = new ArrayList();
list.add(1);
list.add(2);
list.add(3);
for (Integer i : list) {
System.out.println(i);
}
List list = new ArrayList(); // add object to the list String s = "Hello World!"; list.add(s);