类型转换运算-java

public class Example_1 {public static void main(String[] args) {// TODO Auto-generated method stubbyte b=22;int n=129;float f=123456.789f;double d=123456789.123456789;System.out.println("b="+b);System.out.println("n="+n);System.out.println("f="+f);System.out.println("d="+d);b=(byte)n;f=(float)d;System.out.println("b="+b);System.out.println("f="+f);}}

运行结果：

b=22
n=129
f=123456.79
d=1.2345678912345679E8
b=-127
f=1.23456792E8