class CCircle
{
private String color;
private double pi=3.14;
private double radius;
public void steColor(String str)
{
color=str;
}
public void setRadius(double r)
{
radius=r;
}
public void setAll(String str,double r)
{
color=str;
radius=r;
}
public void show()
{
System.out.println("color="+color+",radius="+radius);
System.out.println("area="+pi*radius*radius);
}
}
public class app8_1
{
public static void main(String args[])
{
CCircle cir1=new CCircle();
cir1.setColor("Red");
cir1.setRadius(2.0);
cir1.show();
cir1.setAll("blue",4.0);
cir1.show();
}
}
这是出现的错误:
C:\Java>javac app8_1.java
app8_1.java:30: 找不到符号
符号: 方法 setColor(java.lang.String)
位置: 类 CCircle
cir1.setColor("Red");
^
1 错误请问大家,我应该怎么改正啊
{
private String color;
private double pi=3.14;
private double radius;
public void steColor(String str)
{
color=str;
}
public void setRadius(double r)
{
radius=r;
}
public void setAll(String str,double r)
{
color=str;
radius=r;
}
public void show()
{
System.out.println("color="+color+",radius="+radius);
System.out.println("area="+pi*radius*radius);
}
}
public class app8_1
{
public static void main(String args[])
{
CCircle cir1=new CCircle();
cir1.setColor("Red");
cir1.setRadius(2.0);
cir1.show();
cir1.setAll("blue",4.0);
cir1.show();
}
}
这是出现的错误:
C:\Java>javac app8_1.java
app8_1.java:30: 找不到符号
符号: 方法 setColor(java.lang.String)
位置: 类 CCircle
cir1.setColor("Red");
^
1 错误请问大家,我应该怎么改正啊
方法名错误!setColor
cir1.setColor(java.awt.Color.RED);