20165111 2016-2017-2 "Java Programming" third week study summary

20165111 2016-2017-2 "Java program design" The third week study summary textbook study summary

This chapter mainly introduces the characteristic knowledge of Java language-"class".

Problems in code debugging and the resolution process

• Issue 1: code example for textbook P90 example 17

  package sohu.com;public class Triangle{    double sideA,sideB,sideC;    public double getArea(){            double p = (sideA+sideB+sideC);            double area = Math.sqrt(p*(p-sidaA)*(p-sideB));            return area;    }    public void setSides(double a,double b,double c){        sideA=a;        sideB=b;        sodeC=c;    }}

  This code does not have the main method, how to run it?

• Issue 1 Solution: Personal understanding error. This example just gives the compilation, to be able to work with example 18.

Code Hosting

Learning Summary

20165111 2016-2017-2 "Java Programming" third week study summary