usevariable.java

java 编程的一些简单例子

public class UseVariable
{
    public static void main(String args[])
   {
long      l=123456789L;
float      f=3.1415925F;
char	   ch='J';
String     s="你好!";
        System.out.println("long l="+l);
        System.out.println("float f="+f);
        System.out.println("char ch="+ch);
        System.out.println("String s="+s);
    }
}