高分请教jdk设置问题:
windows xp系统
jdk安装在:
D:\j2sdk1.4.0_01
CLASSPATH:
D:\j2sdk1.4.0_01\lib\tools.jar;D:\j2sdk1.4.0_01\lib\dt.jar;D:\;
path:
D:\j2sdk1.4.0_01\bin;
D盘根目录:Circle.java
javac Circle.java提示出错如下:
error: cannot read: Circle.java
1 error
Circle.java如下
import java.io.*;
public class Circle {
int radius;
public Circle()
{
radius=1;
}
public int getRadius()
{
return radius;
}
public void setRadius(int newRadius)
{
radius=newRadius;
}
public double circleArea()
{
return Math.PI*radius*radius;
}
public double circleLength()
{
return 2.0*Math.PI*radius;
}
}