callOverriding.java
package polymorphism.class1.Test1;
public class callOverriding {
public static void main(String[] args) {
ParantClass parent = new ParantClass();
parent.showMsg();
int res1 = parent.calc(5,8);
System.out.println("res1:"+res1);
ParantClass obj = new SubClass();
obj.showMsg();
int res2=obj.calc(10,5);
System.out.println("res2:"+res2);
}
}ParantClass.java
public class ParantClass {
public void showMsg(){
System.out.println("this is parent class msg");
}
public int calc(int a,int b){
return a+b;
}
}SubClass.java
public class SubClass extends ParantClass{
public void showMsg(){
System.out.println("this is sub class msg");
}
public int calc(int a,int b){
return a-b;
}
}点击查看更多内容
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