public?class?Z_1_10?{
??private???float?screen;
???private??float?DDR;
???????private?int?button;
???private?String?description;
???public?float?getScreen(){
????return?screen;
???}
???public?void?setScreen(float?newscreen){
????screen=newscreen;
???}
????public?Z_1_10(){
?????System.out.println("無參方法已經執行了");
????}
?public?Z_1_10(float?screen,float?DDR,int?button){
??if(screen<5.3){
???screen=5.3f;
??}else{
???screen=screen;
??}
??DDR=DDR;
??button=button;
??System.out.println("有參方法已經執行了"+"screen="+screen+"DDR="+DDR+"button="+button);?
??
?}
?}
?public?class?ZZ_1_10?{
?/**
??*?@param?args
??*/
?public?static?void?main(String[]?args)?{
??//?TODO?Auto-generated?method?stub
????????Z_1_10?aa=new?Z_1_10();
????????Z_1_10?hh=new?Z_1_10(3.4f,2.4f,3);
???????//?aa.setterScreen(3.4f,2.4,3.8);
??????????hh.setScreen(4.5f);
??????????System.out.println("screen?is:"+hh.getScreen());
????????//?hh.screen=5.8f;
?????????//System.out.println("screen?is:"+hh.screen);
?}
}
2019-01-25
public
?Z_1_10(
float
?screen,
float
?DDR,
int
?button)你這個方法前面是public 說明別人都能訪問這個方法 所以那兩個都能輸出 你改成private
2019-01-14
你把輸出DDR和butoon的語句寫在構造函數里了