What is an artificial (derived) primary key? When should it be used?

689

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iam searching job on testing if u know any references are openings plz forward mee

1705

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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 ?

2390

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Give some differences between open loop and closed loop?

881

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Why we use shell scripting in linux?

671

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What does this () mean in constructor chaining concept?

842

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What is a try block?

871

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What is meant by current commutation?

919

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Difference between notify() method and notifyall() method in java?

772

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expline the relevance of economic meltdown and the cost accounting

1953

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How does qtp recognize objects in aut?

805

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Explain nodetool utility.

83

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estimate quanitity of bricks(19x9x9cm without mortar), cement & sand in 10feet X 10feet wall ?

1691

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Have you made any mistakes in your seo based profiles and how did you rectify them?

600

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How the thickness of thermal boundary layer and thickness of hydrodynamic boundary layer related ?

833

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