java get set
class Employ
{
public String name; //name of the employ
public String getName() //Get the name
{
return name;
}
public String setName(String newName) //Set the name
{
this.name = newName;
}
}java get set
class Employ
{
public String name; //name of the employ
public String getName() //Get the name
{
return name;
}
public String setName(String newName) //Set the name
{
this.name = newName;
}
}getters and setters javascript
let obj = {
log: ['a', 'b', 'c'],
get latest() {
if (this.log.length === 0) {
return undefined;
}
return this.log[this.log.length - 1];
}
};
obj.log.push('d');
console.log(obj.latest); //output: 'd'setter&getter java
public static void main(String[] args) {
Vehicle v1 = new Vehicle();
v1.setColor("Red");
System.out.println(v1.getColor());
}
// Outputs "Red"js why to use getters and setters
1) Syntax reasons. It’s easier and faster to read code
created with accessor functions
2) Encapsulation. I can create safer code with accessor functions.use of getter setter in java
package gettersetterProgram;
public class Mensuration
{
public double x, y, r;
// Create getter method for each variable.
public double getX() {
return x;
}
public double getY() {
return y;
}
public double getR() {
return r;
}
// Create setter method for each variable in the class.
public void setX(double x) {
this.x = x;
}
public void setY(double y) {
this.y = y;
}
public void setR(double r) {
this.r = r;
}
// Now write the logic of Rectangle and Circle.
public double areaRec() {
double area = x*y;
return area;
}
public double perRec() {
double per = 2*(x+y);
return per;
}
public double areaCircle() {
double area = 3.14*r*r;
return area;
}
public double circumCircle() {
double circumference = 2*3.14*r;
return circumference;
}
}
public class MyTest {
public static void main(String[] args)
{
Mensuration mens; // Creating reference.
men's = new Mensuration(); // Creating object.
// Set the values of the variables.
mens.setX(20.5);
mens.setY(30.5);
mens.setR(12.5);
double areaRec = mens.areaRec();
double perRec = mens.perRec();
double areaCircle = mens.areaCircle();
double circumCircle = mens.circumCircle();
System.out.println("Area of rectangle: " +areaRec);
System.out.println("Perimeter of rectangle: " +perRec);
System.out.println("Area of circle: " +areaCircle);
System.out.println("Circumference of circle: " +circumCircle);
}
}Copyright © 2021 Codeinu
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