Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Concept explainers

User Defined DataType
The data type is a format to store data that contains a particular range or type of value. It specifies which type of value a variable should have. In other words, a data type describes the type of data that variables can store. When a program stores dat…
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Need answer in java 

**Task:** Consider the code segment below and create an accessor and mutator for the instance variable `height`: ```java public class Rectangle { private int width; private int height; } ``` **Explanation:** The code defines a class named `Rectangle` with two private instance variables, `width` and `height`. To meet the task requirements, you should create accessor (getter) and mutator (setter) methods for the `height` variable. **Accessor Method (Getter):** ```java public int getHeight() { return height; } ``` This method allows you to retrieve the value of the `height` variable from outside the class. **Mutator Method (Setter):** ```java public void setHeight(int height) { this.height = height; } ``` This method allows you to modify the value of the `height` variable from outside the class while maintaining encapsulation.
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Transcribed Image Text:**Task:** Consider the code segment below and create an accessor and mutator for the instance variable `height`: ```java public class Rectangle { private int width; private int height; } ``` **Explanation:** The code defines a class named `Rectangle` with two private instance variables, `width` and `height`. To meet the task requirements, you should create accessor (getter) and mutator (setter) methods for the `height` variable. **Accessor Method (Getter):** ```java public int getHeight() { return height; } ``` This method allows you to retrieve the value of the `height` variable from outside the class. **Mutator Method (Setter):** ```java public void setHeight(int height) { this.height = height; } ``` This method allows you to modify the value of the `height` variable from outside the class while maintaining encapsulation.
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