floatdemo.java

JAVA的一些基础教程

public class FloatDemo{
	public static void main(String arg[]){
		float a = 3.14F;
		//float b = 31.4 //错误
		double c = 3.1415926253;
		double d = 6.02E23;

		System.out.println("a = "+ a);
		System.out.println("c = "+ c);
		System.out.println("d = "+ d);
	}
}