说明: public class juxing { float a,b; public juxing(float a,float b){ this.a=a; this.b=b; } public float c(){ return(this.a+b)*2; } public float s(){ return(a*b); } public static void main(String[] args) { juxing a=new juxing(3.3f,3); float c=a.c(); Syst
<qq_41246257> 在 上传 | 大小:3145728