0928练习作业

package hello;

public class hello {

    public static void main(String[] args) {


        byte b=12;
        System.out.println("b="+b);
        
        short s=3;
        System.out.println("s="+s);
        
        int i =45;
        System.out.println("i="+i);
        
        long l=56;
        System.out.println("l="+l);
        
        float f=78.89f;    //数后要加F或f做标记
        System.out.println("f="+f);
        
        double d=234.45;
        System.out.println("d="+d);
        
        //'a'是字符
        char c='9';
        System.out.println("c="+c);//"a"是字符串
        
        boolean x=true;
        System.out.println("zhen="+x);
        
        boolean y=false;
        System.out.println("jia="+y);
        
        final float PAI;
        PAI=1.23456f;
        System.out.println("PAI="+PAI);

    }

}