我对Java很陌生,对于获取设置数组感到困惑。只是超级基本的代码,我想更新学生类中的成绩数组。我使用double []输入数组设置Graddes,但是当我调用getGrades时,它返回垃圾:[[email protected]
。设置并获取双精度数组
我知道这东西超级简单的我失踪
public class Student
{
private double[] grades;
public void setGrades(double[] grades)
{
this.grades = grades;
}
public double[] getGrades()
{
return grades;
}
public static void main(String[] args)
{
double[] input = {87.54, 67.45};
Student ted = new Student();
ted.setGrades(input);
System.out.println(ted.getGrades());
}
}
明白了,谢谢你们! –
不用理会@ dan_jen1 –