testrandvals.java

来自「java编程思想的部分实现」· Java 代码 · 共 20 行

//:c08:RandVals.java
import java.util.*;
 interface RandVals
{
	int rint=(int)(Math.random()*10);
	long rlong=(long)(Math.random()*10);
	float rfloat=(float)(Math.random()*10);
	double rdouble=Math.random()*10;
	
}
public class TestRandVals
{
	public static void main(String [] args)
	{
		System.out.println(RandVals.rint);
		System.out.println(RandVals.rlong);
		System.out.println(RandVals.rfloat);
		System.out.println(RandVals.rdouble);
	}
}