Java基础入门笔记-新建类

代码如下：

HelloWorld.java

package my;

public class HelloWorld
{

	public static void main(String[] args)
	{		
		Student s1=new Student();
		s1.id="20180103";
		s1.name="张三";
		s1.sex=true;
		s1.cellphone="18888888888";
	}

}

Student.java

package my;

public class Student
{
	public String id;
	public String name;
	public boolean sex;
	public String cellphone;
}

截图如下：