jlab0301.java

计算机系学习java的专用ppt

public class JLab0301{
public static void main(String[] args){
boolean b=true;
short s1=128;
int i=-99;
long l=123456789l;
char ch='J';
float f=3.1415926f;
double d=-1.04e-5;
System.out.println("布尔型变量b="+b);
System.out.println("短整型变量s1="+s1);
System.out.println("整型变量i="+i);
System.out.println("长整型变量l="+l);
System.out.println("字符型变量ch="+ch);
System.out.println("浮点型变量f="+f);
System.out.println("双精度型变量d="+d);
       }
}