public static void main(String[] args) {
String line="I am a student!"
String[] a = line.split("[^a-zA-Z]+")
for(int i=0i<a.lengthi++)
{
System.out.print(a[i]+" ")
}
}
public class Test{public static void main(String[] arg)
{
String s = "I am a student !"
String[] ss = s.split(" ")
for (int i=0i<ss.lengthi++) {
System.out.print(ss[i])
System.out.print(" ")
}
}
}
你的函数名写错了,把protected void paintCoponent(Graphics g)改成protected void paintComponent(Graphics g)即把paintCoponent改成paintComponent
(加一个字母m)就行了.
