JAVA编程题
public class Example {
public static void main(String[] args) {
int sign=1;
double x;
double sum=0.;
int n=1;
while((x=1./(n*n))>=1e-6)
{
sum =sign*x;
sign*=-1;
n ;
}
System.out.println(sum);
}
}
JAVA 编程题
public class Test {
public static void main(String[] args){
int j = 0;
for(int i = 0;i<10;i ){
int time = i 1;
System.out.println("此次的循环次数是:" time);
if(i == 4){
break;
}
}
System.out.println("已经到达第五次结束了");
}
}