import java.util.*;
import java.io.*;
public class ReadPets
{
public static void main (String[] args)
{
ArrayList <Pet> petList = new ArrayList <Pet>;
Scanner inFile = null;
String name;
Pet p;
try
{
inFile = new Scanner
(new FileInputStream ("pets.txt"));
}
catch(FileNotFoundException e)
{
System.out.println("problem opening file.");
System.exit(0);
}
while (inFile.hasNextLine())
{
name = inFile.NextLine();
p = newPet(name);
petList.add(p);
}
inFile.close();
}
}
1 error found:
文件:C:\ Users \ remixt \ Desktop \ java \ ReadPets.java [line:9] 错误:令牌上的语法错误,错位的构造
我一直收到这个错误,不知道如何修复它。 我也得到错误构造函数Pet(java.lang.String)未定义
答案 0 :(得分:2)
ArrayList <Pet> petList = new ArrayList <Pet>();
答案 1 :(得分:0)
您忘记了构造函数调用中的括号(new ArrayList<Pet>
)