https://github.com/emahtab/builder-design-pattern
https://github.com/emahtab/builder-design-pattern
builder-pattern design-pattern
Last synced: about 2 months ago
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- Host: GitHub
- URL: https://github.com/emahtab/builder-design-pattern
- Owner: eMahtab
- Created: 2022-02-13T01:49:59.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2022-02-13T04:50:33.000Z (almost 4 years ago)
- Last Synced: 2025-10-28T03:49:04.216Z (about 2 months ago)
- Topics: builder-pattern, design-pattern
- Homepage:
- Size: 5.86 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Builder Pattern
### User.java
```java
package builder;
public class User {
private String firstName;
private String lastName;
private String email;
private String gender;
private String country;
private String mobileNumber;
private String pincode;
private User(UserBuilder builder) {
this.firstName = builder.firstName;
this.lastName = builder.lastName;
this.email = builder.email;
this.gender = builder.gender;
this.country = builder.country;
this.mobileNumber = builder.country;
this.pincode = builder.pincode;
}
public static class UserBuilder {
private String firstName;
private String lastName;
private String email;
private String gender;
private String country;
private String mobileNumber;
private String pincode;
public UserBuilder() {}
public UserBuilder setFirstName(String firstName) {
this.firstName = firstName;
return this;
}
public UserBuilder setLastName(String lastName) {
this.lastName = lastName;
return this;
}
public UserBuilder setEmail(String email) {
this.email = email;
return this;
}
public UserBuilder setGender(String gender) {
this.gender = gender;
return this;
}
public UserBuilder setCountry(String country) {
this.country = country;
return this;
}
public UserBuilder setMobileNumber(String mobileNumber) {
this.mobileNumber = mobileNumber;
return this;
}
public UserBuilder setPincode(String pincode) {
this.pincode = pincode;
return this;
}
public User build() {
return new User(this);
}
}
}
```
### App.java
```java
import builder.User.UserBuilder;
public class App {
public static void main(String[] args) {
UserBuilder userBuilder = new User.UserBuilder();
User user = userBuilder.setFirstName("Mahtab")
.setLastName("Alam")
.setEmail("test@gmail.com")
.setCountry("India")
.setMobileNumber("9999999999")
.setGender("Male")
.setPincode("309832")
.build();
System.out.println(user);
}
}
```