abstract class Person{
String name;
String sex;
abstract String getName();
abstract String getSex();
}
class Maplenet extends Person{
public String getName(){
return name="maplenet";
}
public String getSex(){
rerurn sex="man";
}
}
class ShowMaplenet{
public static void main(String[] args){
Maplenet mn= new Maplenet();
String name=mn.getName();
String sex=mn.getSex();
System.out.println(name);
System.out.println(sex);
}
}
用java编译器出现一下错误?
D:\practice>javac ShowMaplenet.java
ShowMaplenet.java:1: 需要为 class、interface 或 enum
锘縜bstract class Person{
^
1 错误
String name;
String sex;
abstract String getName();
abstract String getSex();
}
class Maplenet extends Person{
public String getName(){
return name="maplenet";
}
public String getSex(){
rerurn sex="man";
}
}
class ShowMaplenet{
public static void main(String[] args){
Maplenet mn= new Maplenet();
String name=mn.getName();
String sex=mn.getSex();
System.out.println(name);
System.out.println(sex);
}
}
用java编译器出现一下错误?
D:\practice>javac ShowMaplenet.java
ShowMaplenet.java:1: 需要为 class、interface 或 enum
锘縜bstract class Person{
^
1 错误
abstract class Person{
String name;
String sex;
abstract String getName();
abstract String getSex();
}
class Maplenet extends Person{
public String getName(){
name="maplenet";
return name;
}
public String getSex(){
sex="man";
return sex;
}
}
class ShowMaplenet{
public static void main(String[] args){
Maplenet mn= new Maplenet();
String name=mn.getName();
String sex=mn.getSex();
System.out.println(name);
System.out.println(sex);
}
}
abstract class Person {
String name;
String sex; abstract String getName(); abstract String getSex();
}class Maplenet extends Person {
public String getName() {
return name = "maplenet";
} public String getSex() {
rerurn sex = "man"; //这句错了,改为:return sex = "man" 下次别这么粗心了!!
}
}class ShowMaplenet {
public static void main(String[] args) {
Maplenet mn = new Maplenet();
String name = mn.getName();
String sex = mn.getSex();
System.out.println(name);
System.out.println(sex);
}
}
public String getName(){
return name="maplenet";
}
public String getSex(){
rerurn sex="man"; //关键字写错了......
}
}