我有以下程序:
public abstract class geometricFigure {
private int dim1, dim2;
public geometricFigure(int dim1, int dim2) {
super();
this.dim1 = dim1;
this.dim2 = dim2;
}
public geometricFigure() {
this.dim1 = 0;
this.dim2 = 0;
}
}
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我很难理解,super()参数化构造函数中的方法是做什么的.我在这里可以看到这个抽象类没有扩展任何类,我很难理解super()它所调用的超类是什么方法.
顺便说一句.这个类由另外两个名为Echilateral Triangle和的类扩展Circle.
public class echilateralTriangle extends geometricFigure {
public echilateralTriangle() {
super(1, 1);
}
public echilateralTriangle(int dim1, int dim2) {
super(dim1, dim2);
}
}
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圈级:
public class Circle extends geometricFigure {
public Circle() {
super(1, 1); …Run Code Online (Sandbox Code Playgroud)