1.3
public class aaa{
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 A A A V V A A A ");
System.out.println(" J J A A V A A ");
}
}
1.8
Public class Area
{
public static void main(String[] args)
{
double radius;
double area;
Math.Pi;
double circle;
radius =5.5;
circle=2 * PI *radius;
area=radius*radius* PI;
System.out.println(" The area is" + area);
System.out.println(" The circle is" + circle);
}
}
1.12
Public class Kilometer
{
public static void main(String[ ] args)
{
double time;
double km;
double mile;
double speed;
mile=24;
km=mile* 16;
time=73/6900;
speedr=km/time;
System.out.println(" 每小时" +"speed"为单位的平均速度);
}
}