student2test.java

关于java面向对象系统分析方面的课件

package s2Java.sg.ch01.homework;

class Student2{
	private String name;
	private int age;
	private String sex;
	private String subject;
	public Student2(String name,int age){
		this.name = name;
		this.age = age;
		this.sex = "男";
		this.subject = "ACCP";
	}
	public Student2(String name,int age,String sex, String subject){
		this.name = name;
		this.age = age;
		this.sex = sex;
		this.subject = subject;
	}
	public String introduction() {
		return "大家好！我是" + name + "，我今年"+ age+"岁,性别是"+sex+",专业是"+subject;
	}
}
public class Student2Test {
	public static void main(String[] args){
		Student2 s1 = new Student2("张三",20);
		Student2 s2 = new Student2("李兰",22,"女","BENET");
		System.out.println(s1.introduction());
		System.out.println(s2.introduction());
	}

}