package liu0917;
public class Student 
{
	int stuNO;
	String name;
	int age;
	void outPut()
	{
		System.out.println("学号是:"+stuNO);
		System.out.println("名字是:"+name);
		System.out.println("年龄是:"+age);
	}
}
package liu0917;
import java.util.Scanner;
public class TestClass 
{
	public static void main(String[] args)
	{
		
        Student stu = new Student();
        
        Scanner sc = new Scanner(System.in);
        Scanner sc1 = new Scanner(System.in);
        
        System.out.println("请输入学号:");
        stu.stuNO=sc.nextInt();
        System.out.println("请输入姓名:");
        stu.name=sc1.nextLine();
        System.out.println("请输入年龄:");
        stu.age=sc.nextInt();
        stu.outPut();
       
	}
}

原文:http://www.cnblogs.com/liuyanzeng/p/5878909.html