sushu.java

编写程序

public class sushu
{ 
public static void main(String args[]) 
	{ 
		boolean x = true; 
		int k = 0;
		for(int i = 2; i <= 100; i++) 
		{ 
			x = true; 
			for(int j = 2; j < i; j++)
			{ 
				if(i % j == 0) 
				{ 
					x = false; 
					break; 
				} 
			} 
			if (x == true)
			{
				System.out.print(i+"  ");
				k++;
				if (k == 5) 
				{
					System.out.println("  ");
					k = 0;
				}
			}
		} 
	} 
}