Un-Answered Questions { J2EE }

to update a batch in a table in jdbc which method of statement object is used

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when i m calling java for web browser . so browser it's not support. show error in browser: internal error occur. java.lang.NoClassDefFoundError. will you give me solution why it's not starting browser.? is there any consult with .net framework2.0?

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In DAO we are writting sql queries , how it is possible with creating and closing database connections.

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Hi Friends. I want complete technical flow of j2ee project with following technologies. jsp , servlet , Struts , Hibernate , (should follow mvc-2 design pattern) . with DAO ,DTO SERVICE layers .

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public class ActionSearchBean extends GenericSearchBean { @Override public String search() { data.setRowCount(null); if(data.getRowCount()==0){ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } return "searchAction"; } @Override public String clear() { data.setRowCount(null); if (data.getRowCount() > 0){ data.getNoRecordFound().setRendered(false); data.getDataScroller().setRendered(true); }else{ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } data.setModel(new ActionDTO()); data.setRowCount(null); return "searchAction"; } } what is the purpose of @Override ...what will do @Override here ?

1996


public class ActionDTO extends GenericDTO implements Serializable,Auditable { // default serial version id, required for serializable classes. public static final String ACTION_SUSPEND = "SPN"; public static final String ACTION_DEREGISTER = "DRR"; public static final String ACTION_REINSTATE = "REI"; private static final long serialVersionUID = 1L; private Long actionId; private long accountId; private Date actionDate; private String actionType; private String remarks; private AccountDTO account; public ActionDTO() { } public ActionDTO(Long accountId, String action, String remarks, String updatedBy) { setAccountId(accountId); setActionType(action); setActionDate(new Date()); setRemarks(remarks); setUpdatedBy(updatedBy); } public Long getActionId() { return this.actionId; } public void setActionId(Long actionId) { this.actionId = actionId; } public long getAccountId() { return this.accountId; } public void setAccountId(long accountId) { this.accountId = accountId; } public Date getActionDate() { return this.actionDate; } public void setActionDate(Date actionDate) { this.actionDate = actionDate; } public String getActionType() { return this.actionType; } public void setActionType(String actionType) { this.actionType = actionType; } public String getRemarks() { return this.remarks; } public void setRemarks(String remarks) { this.remarks = remarks; } // bi-directional many-to-one association to AccountDTO public AccountDTO getAccount() { return this.account; } public void setAccount(AccountDTO account) { this.account = account; } @Override public String toString() { // TODO Auto-generated method stub return null; } } what is the purpose of @Override public String toString()...and what will do here ?

2177


you are to choose between two procedures,both of which copute the minimum value in an array of integers.one procedure returns the smallest integer if its array argument is empty. the other requires a nonempty array.which procedure should you choose and why?

2163


i want test pattern of zylog company and some examples also

2294


what is direct link to download swing ebook,applet,ejb,core java

2068


how to run servlet program between two computer through internet ?

2544


what is meant by proxy server

4164


whay java does not support bass by reference

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Since we can create managed bean by two ways as, we can define the bean name in faces-config.xml file so that page can use that OR we can write annotation on bean class so that it is automatically assign to page but I want to know which one is good programming practice ? And also mention disadvantage of other which should not prefer ... Thanking you...

1879


I am newbie in J2EE & looking for strong basic behind each concept as, Why do we use private access specifier before each variable of type property bcoz ultimately to access it outside the class we use public method as getter & setter ? If we use getter & setter to access it outside the class so better we make variable as public so that it is easily available outside of the class... Please guide me why do we use as private ????

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