A abstract class extending an abstract class.Super class
has both abstract and non-abstract methods.How can we
implement abstract and non-abstract mehtods? Explain with
snippet
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Answer Posted / tulasi prasad
abstract class AbstractParent
{
void parentMethod1()
{
System.out.println("def of non abstract
method from parent");
}
abstract void parentMethod2();
}
abstract class AbstractChild extends
AbstractParent
{
void childMethod1()
{
System.out.println("def of non abstract
method from abstract child");
}
void parentMethod2()
{
System.out.println("def of parent abstract
method from abstract child");
}
abstract void childMethod2();
}
class ConcreteChild extends AbstractChild
{
void childMethod2()
{
System.out.println("def of child abstract
method from concrete child");
}
}
public class Test
{
public static void main(String args[])
{
ConcreteChild obj = new ConcreteChild();
obj.parentMethod1();
obj.parentMethod2();
obj.childMethod1();
obj.childMethod2();
}
}
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