interface Builder<T> {
    T build();
}



class Person{

	public static String output ;
	protected int fieldAge;
	protected String fieldName;
	
	
	@Override
	public java.lang.String toString()
	{
		String output = "Person {name='" + fieldName +"',age="+ fieldAge +"}";
		return output;
		
	}
	
	public void check() {
		output="sadf";
	}
	static class PersonBuilder implements Builder <Person> {

		protected int fieldAge;
		protected String fieldName;
		
		PersonBuilder(String inName){
			setName(inName);
		}
		
		public String getName()
		{
			return fieldName;
		}
		public void setName(String inName)
		{
			fieldName = inName;
		}
		public int getAge()
		{
			return fieldAge;
		}
		
		
		

		public Builder<Person> setAge(int inI)
		{
			fieldAge = inI;
			return this;
		}
		
		@Override
		public Person build()
		{
			Person person = new Person();
			person.fieldAge = getAge();
			person.fieldName = getName();
			return person;
			
		}
	

		
	}
}





public class Solution {
    
	
	public static void main(String args[] ) {
        
		Builder<Person> jack = new Person.PersonBuilder("Jack").setAge(50);
        Builder<Person> jean = new Person.PersonBuilder("Billy Jean is not my lover, she just a girl who claims that I am the one.").setAge(45);
        
        System.out.println(jack.build());
        System.out.println(jean.build());
    }
}