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  • Java中的Builder模式

    package com.mc.bsfram.others.entity;
    
    public class Person {
    
        private String name;
        private String address;
        private int age;
        private double salarry;
    
        public String getName() {
            return name;
        }
    
        public void setName(String name) {
            this.name = name;
        }
    
        public String getAddress() {
            return address;
        }
    
        public void setAddress(String address) {
            this.address = address;
        }
    
        public int getAge() {
            return age;
        }
    
        public void setAge(int age) {
            this.age = age;
        }
    
        public double getSalarry() {
            return salarry;
        }
    
        public void setSalarry(double salarry) {
            this.salarry = salarry;
        }
    
        private Person(Builder builder){
            this.age=builder.age;
            this.address=builder.address;
            this.age=builder.age;
            this.salarry=builder.salarry;
        }
        
        //static的Builder类
        public static class Builder{
            
            //成员变量应该会被赋予初始值
            private String name;
            private String address;
            private int age;
            private double salarry;
            
            public Builder(String name){
                this.name=name;
            }
            
            public Builder address(String address){
                this.address=address;
                return this;
            }
            
            public Builder age(int age){
                this.age=age;
                return this;
            }
            
            public Builder salarry(double salarry){
                this.salarry=salarry;
                return this;
            }
            
            public Person build(){
                return new Person(this);
            }
            
        }
    }
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  • 原文地址:https://www.cnblogs.com/LiuChunfu/p/5861140.html
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