例11.1
1 import java.util.Scanner; 2 import java.util.*; 3 public class cjava { 4 public static void main(String[]args) { 5 Student1 s1=new Student1(); 6 s1.get_value(); 7 s1.get_value1(); 8 s1.display(); 9 s1.display_1(); 10 } 11 } 12 class Student{ 13 private int num; 14 private String name; 15 protected char sex; 16 public void get_value() { 17 Scanner s=new Scanner(System.in); 18 num=s.nextInt(); 19 String s2; 20 s2=s.next(); 21 sex=s2.charAt(0); 22 Scanner s3=new Scanner(System.in); 23 name=s.nextLine(); 24 } 25 public void display() { 26 System.out.println("num:"+num); 27 System.out.println("name:"+name); 28 System.out.println("sex:"+sex); 29 } 30 } 31 class Student1 extends Student{ 32 private int age; 33 private String addr; 34 public void display_1() { 35 System.out.println("age:"+age); 36 System.out.println("address:"+addr); 37 } 38 public void get_value1() { 39 Scanner g=new Scanner(System.in); 40 age=g.nextInt(); 41 addr=g.next(); 42 } 43 44 }
2.遇到的问题：char和string的转换
3.明天继续写例题