Java-源代码-简单类继承演练

class Superclass {
public boolean aVariable;

public void aMethod() {
aVariable = true;
}

public void aMethod(int i) {
System.out.println(i);
}

public void aMethod(int i, String s) {
System.out.println(i + "和" + s);
}

}
class Subclass
extends Superclass {
public boolean aVariable;

//覆盖了父类中的不带参数的构造方法
public void aMethod() {
aVariable = false;
super.aMethod();
System.out.println(aVariable);
System.out.println(super.aVariable);
}

//带一个参数的构造方法
public void aMethod(String str) {
aVariable = false;
super.aMethod();
System.out.println(str);
}

//带类型分别为String 和 int的两个参数的构造方法
public void aMethod(String str, int i) {
aVariable = false;
super.aMethod();
System.out.println(str);
System.out.println(i);
}

}

public class MainClass {
public MainClass() {
}

public static void main(String[] args) {
Subclass subclass=new Subclass();
subclass.aMethod();
}
}