怎么就沒程序入口了 main函數里面怎么調用前面的屬性方法我還不知道呢？？
package chapter2;
public class Telephone02 {
private float screen;
private float cpu;
private float mem;
public float getScreen() {
return screen;
}
public void setScreen(float screen) {
this.screen = screen;
}
public float getCpu() {
return cpu;
}
public void setCpu(float cpu) {
this.cpu = cpu;
}
public float getMem() {
return mem;
}
public void setMem(float mem) {
this.mem = mem;
}
public Telephone02() {
?System.out.println("無參的構造方法執行了!");
}
?public Telephone02(float newscreen,float newcpu,float newmem) {
?screen=newscreen;
?cpu = newcpu;
?mem = newmem;
?System.out.println("有參的構造方法執行了!");
?
?}
}
2017-10-10
這個Telephone02 類是供其他類調用的，在其他類中定義一個main方法，來實例化Telephone02?