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  • 字节集-编码操作-中繁体-StringBuffer-包装类

    package workhome;
    
    public class BuilderDemo {
    public static void main(String[] args) {
        //builder模式
        //方法链编程    
        Person1 p = new Person1()
                    .setName("tom")
                    .setAge(12)
                    .setSex("女");
    }
    }
    BuilderDemo
    package workhome;
    
    public class Person1 {
    
        private String name;
        private int age;
        private String sex;
        
        
        public Person1 getName() {
            return this;
        }
        public Person1 setName(String name) {
            this.name = name;
            return this;
        }
        public Person1 getAge() {
            return this;
        }
        public Person1 setAge(int age) {
            this.age = age;
            return this;
        }
        public Person1 getSex() {
            return this;
        }
        public Person1 setSex(String sex) {
            this.sex = sex;
            return this;
        }
        
        
    }
    Person1
    package workhome;
    
    public class StringBuilderDemo {
    public static void main(String[] args) {
        StringBuilder b=new StringBuilder();
        b.append(1)
         .append(2)
         .append(3);
    }
    }
    StringBuilderDemo

    package workhome;
    
    public class WrapperDemo {
    public static void main(String[] args) {
        Byte b=new Byte((byte)12);
        Short s= new Short((short)12);
        
        Long l=new Long(12);
        Boolean bb=new Boolean(true);
        long ll=11L;
        float f=12.3f;
        Integer.toHexString(100);
    }
    }
    WrapperDemo
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  • 原文地址:https://www.cnblogs.com/King-boy/p/10991240.html
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