randominteger.java

来自「北京邮电大学牛导的 JAVA课件课件及相关资料」· Java 代码 · 共 21 行

import javax.swing.JOptionPane;
public class RandomInteger {
    
    public static void main(String[] args) 
    {
        int rd,counter;
        String output;
        output = "the result is \n";
        for (counter = 1; counter<= 20; counter++)
        {
            rd = 1+(int)(Math.random()*6);
            output = output+ rd +" ";
            if((counter %5)==0)
                output= output+"\n";
         }
        JOptionPane.showMessageDialog(null,output,"random",JOptionPane.INFORMATION_MESSAGE);
        System.exit(0);
    }
    
}