What is the importance of finally block in exception handling?

1031

What is jdbc and its advantages?

1063

What is difference overloading and overriding?

1171

What is the difference between class & object?

1018

what do you mean by stream pipelining in java 8? Explain

1027

What are the main components of JDBC ?

1071

What is the role of ioc?

417

How to get single record from database using hibernate?

450

Can we overload the methods by making them static?

1002

What is the purpose of a parameter?

1074

what is the difference between the methods sleep() and wait()? : Java thread

971

Can each java object keep track of all the threads that want to exclusively access it?

952

Define preparedstatement.

988

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 ?

2578

What type of variable is error flag?

1071