public class Test {
public static void main(String[] args) {
new Circle9();
}
}public abstract class GeometricObject {
protected GeometricObject() {
System.out.print("A");
} protected GeometricObject(String color, boolean filled) {
System.out.print("B");
}
}public class Circle9 extends GeometricObject {
/** Default constructor */
public Circle9() {
this(1.0);
System.out.print("C");
} /** Construct circle with a specified radius */
public Circle9(double radius) {
this(radius, "white", false);
System.out.print("D");
} /** Construct a circle with specified radius, filled, and color */
public Circle9(double radius, String color, boolean filled) {
super(color, filled);
System.out.print("E");
}
}最后结果会显示什么?
public static void main(String[] args) {
new Circle9();
}
}public abstract class GeometricObject {
protected GeometricObject() {
System.out.print("A");
} protected GeometricObject(String color, boolean filled) {
System.out.print("B");
}
}public class Circle9 extends GeometricObject {
/** Default constructor */
public Circle9() {
this(1.0);
System.out.print("C");
} /** Construct circle with a specified radius */
public Circle9(double radius) {
this(radius, "white", false);
System.out.print("D");
} /** Construct a circle with specified radius, filled, and color */
public Circle9(double radius, String color, boolean filled) {
super(color, filled);
System.out.print("E");
}
}最后结果会显示什么?
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public class Test {
public static void main(String[] args) {
new Circle9();
}
}public abstract class GeometricObject {
protected GeometricObject() {
System.out.print("A");
} protected GeometricObject(String color, boolean filled) {
System.out.print("B");
}
}public class Circle9 extends GeometricObject {
/** Default constructor */
public Circle9() {
this(1.0);
System.out.print("C");
} /** Construct circle with a specified radius */
public Circle9(double radius) {
this(radius, "white", false);
System.out.print("D");
} /** Construct a circle with specified radius, filled, and color */
public Circle9(double radius, String color, boolean filled) {
super(color, filled);
System.out.print("E");
}
}
关于这种问题,LZ完全可以在IDE里面去运行一下就知道答案了
关于这种问题,LZ完全可以没必要来着上面来问。