8000 designing pattered added · minloved/JavaStudSpringMVCWeb@fe5ee6b · GitHub
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jayaprakashjaypeejayaprakashjaypee
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designing pattered added
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18 files changed

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‎src/main/java/com/javastud/springmvcweb/designpatterns/Bank.java‎

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package com.javastud.springmvcweb.designpatterns;
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public interface Bank {
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void info();
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/BankFactory.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class BankFactory {
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public Bank getBank(BankType bankType) {
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if (bankType == null) {
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return null;
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}
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if (bankType == BankType.GLOBAL) {
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return new Global();
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} else if (bankType == BankType.NABIL) {
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return new Nabil();
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}
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return null;
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/BankType.java‎

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package com.javastud.springmvcweb.designpatterns;
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public enum BankType {
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GLOBAL, NABIL
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/BuilderPatternExample.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class BuilderPatternExample {
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public static void main(String[] args) {
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User user = User.UserBuilder()
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.name("RAM")
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.age(20)
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.email("ram@gmail.com")
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.build();
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System.out.println(user);
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/Company.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class Company {
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private static Company instance = new Company();
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private Company() {
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}
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public static Company getInstance() {
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return instance;
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}
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public String getName() {
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return "NGSOFT";
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}
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@Override
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public String toString() {
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return "NGSOFT CORP.";
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/FactoryPatterenExample.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class FactoryPatterenExample {
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public static void main(String[] args) {
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BankFactory bankFactory = new BankFactory();
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Bank global = bankFactory.getBank(BankType.GLOBAL);
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global.info();
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Bank nabil = bankFactory.getBank(BankType.NABIL);
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nabil.info();
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/Global.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class Global implements Bank {
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@Override
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public void info() {
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System.out.println("Global Bank is largest venture bank in Nepal since 2005.");
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/Nabil.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class Nabil implements Bank {
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@Override
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public void info() {
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System.out.println("Nabil Bank is Pioneer bank in Nepal.");
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/SingletonPatternExample.java‎

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package com.javastud.springmvcweb.designpatterns;
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public class SingletonPatternExample {
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public static void main(String[] args) {
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Company comp1 = Company.getInstance();
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System.out.println(comp1);
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Company comp2 = Company.getInstance();
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System.out.println(comp2);
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System.out.println(comp1 == comp2);
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}
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}

‎src/main/java/com/javastud/springmvcweb/designpatterns/User.java‎

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package com.javastud.springmvcweb.designpatterns;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class User {
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private String name;
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private int age;
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private String email;
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public static UserBuilder UserBuilder() {
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return new UserBuilder();
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}
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public static class UserBuilder {
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private String name;
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private int age;
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private String email;
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public UserBuilder() {
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}
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public UserBuilder name(String name) {
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this.name = name;
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return this;
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}
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public UserBuilder age(int age) {
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this.age = age;
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return this;
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}
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public UserBuilder email(String email) {
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this.email = email;
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return this;
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}
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public User build() {
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return new User(this.name, this.age, this.email);
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}
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}
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}

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