我想对这个特定的代码,我正在测试,但目前它没有打印出任何东西的一些指导,最重要的是,我觉得好像它不读取文本文件在所有。它似乎马上完成,没有任何错误,我只会被提示“构建成功”。 该任务是从一个数据文本文件中读取,该文件列出了20行学生信息,每行包含名字,姓氏和他们的成绩,所有这些都由空格分隔。我把它放到一个数组中并输出它们的信息,但现在我正在测试,看它是否会在我继续之前输出名字。对象测试但没有得到任何输出
public class studentClass {
private String studentFName, studentLName;
private int testScore;
private char grade;
//constructor
public studentClass(String stuFName, String stuLName, int stuTestScore){
studentFName = stuFName;
studentLName = stuLName;
testScore = stuTestScore;
}
public String getStudentFName(){
return studentFName;
}
public String getStudentLName(){
return studentLName;
}
public int getTestScore(){
return testScore;
}
public char getGrade(){
return grade;
}
public void setStudentFName(String f){
studentFName = f;
}
public void setStudentLName(String l){
studentLName = l;
}
public void setTestScore(int t){
if (t>=0 && t<=100){
testScore = t;
}
}
public void setGrade(char g){
grade = g;
}
}
public static void main(String[] args) throws IOException {
int numberOfLines = 20;
studentClass[] studentObject = new studentClass[numberOfLines];
for(int i = 0; i>studentObject.length; i++){
System.out.print(studentObject[i].getStudentFName());
}
}
public static studentClass[] readStudentData(studentClass[] studentObject)throws IOException{
//create FileReader and BufferedReader to read and store data
FileReader fr = new FileReader("/Volumes/PERS/Data.txt");
BufferedReader br = new BufferedReader (fr);
String lines = null;
int i = 0;
//create array to store data for firstname, lastname, and score
while ((lines = br.readLine()) != null){
String stuArray[] = lines.split(" ");
String stuFName = stuArray[0];
String stuLName = stuArray[1];
int score = Integer.parseInt(stuArray[2]);
studentObject[i] = new studentClass (stuFName, stuLName, score);
i++;
}
return studentObject;
}
我没有看到你实际使用方法readStudentData()的那一行。 – Sedrick
谢谢,经过这么多的修改和玩不同的代码逻辑,我忘了添加它。 –