JavaBean: An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component. An example for the above software component is a managed bean. For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods. There is explicit support for components for certain programming languages, but Java does not. Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention. The “JavaBean” is a class that exposes properties—values of the component which can get without programming. There are two requirements for a class to be a JavaBean. That are as follows: A JavaBean should have a constructor with zero arguments. A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

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Answer 1

Question

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

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Answer 2

Question

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

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Answer 3

Question

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

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Answer 4

Question

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

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Answer 5

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

Answer 6

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

Answer 7

Chapter 25, Problem 7RE

Program Plan Intro

JavaBean:

An entity that encapsulates functionality and can be plugged into a software system without programming is called a software component.

An example for the above software component is a managed bean.

For example, when the user includes an object named “timeBean” to the web application, the user does not need to write Java code to construct the object or to call its methods.

There is explicit support for components for certain programming languages, but Java does not.

Instead, in Java, to implement components, one can use the programming conventions. A Java class “JavaBean” follows this convention.

The “JavaBean” is a class that exposes properties—values of the component which can get without programming.

There are two requirements for a class to be a JavaBean. That are as follows:

A JavaBean should have a constructor with zero arguments.

A JavaBean should have getter and setter methods for accessing the component properties. For example, to get or set a property named “Name”, there should be methods named “getName” and “setName”.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25.1 - Prob. 1SC Ch. 25.1 - Prob. 2SC Ch. 25.2 - Prob. 3SC Ch. 25.2 - Prob. 4SC Ch. 25.2 - Prob. 5SC Ch. 25.3 - Prob. 6SC Ch. 25.3 - Prob. 7SC Ch. 25.4 - Prob. 8SC Ch. 25.4 - Prob. 9SC Ch. 25.5 - Prob. 10SC

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