1.8
public class JAVA{
public static void main(String[] args){
double a,b,s;
a=3.15159;
b=5.5;
s=a*b*b;
System.out.println("这个圆的周长是："+s);
}
}
1.3
public class JAVA{
public static void main(String[] args){
System.out.println(" J A V V A");
System.out.println(" J A A V V A A");
System.out.println("J J AAAAA V V AAAAA");
System.out.println(" J J A A V A A");
}
}