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我编写了这个简单的脚本来读取文本文件,然后将数据添加到数组中但我只想打印超过90的学生的名字和姓氏学分仅打印大于特定int的数组项目
Student[] student = new Student[50];
Scanner userin, filein;
String filename;
int numStudents;
// Get the filename from the user, with exception handling to deal with incorrect file names
userin = new Scanner(System.in);
filename = null;
filein = null;
filename = Students.txt;
try {
filein = new Scanner(new FileReader(filename)); // try to open the file
} catch (FileNotFoundException e) { // failed to open the file
System.out.println("Invalid file - try again");
filename = null;
}
numStudents = 0;
while (filein.hasNext()){
String lastName = filein.next();
String firstName = filein.next();
double gpa = filein.next();
int Credits = filein.next();
student[numStudents++] = new Student(lastName,firstName,gpa,Credits);
}
int i=0;
do
{
System.out.println(student[i].toString());
i++;
}
while ((student[i] != null)&&(i <= student.length));