作业1
public class Demo1 {
public static void main(String[] args) throws Exception { 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"); }}作业2
public class Exercise08 { public static void main(String[] args){
double c=2 * 5.5 * Math.PI;
double s=5.5 * 5.5 * Math.PI;
System.out.println("周长为"+c);
System.out.println("面积为"+s);
}
作业3
public class world{
public static void main(String[] args){
double p=3.14,i=5.50;
System.out.println(" 圆的面积："+ p*i*i+ "cm2");
System.out.println(" 圆的周长："+ 2*i*p +"cm");
}
}