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class Animal{
void walk(){
System.out.println("I am walking");
}
}
class Bird extends Animal{
void fly(){
System.out.println("I am flying");
}
void sing(){
System.out.println("I am singing");
}
}
public class Solution {
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Bird bird = new Bird();
bird.walk();
bird.fly();
bird.sing();
}
}
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Java Inheritance I
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class Animal{ void walk(){ System.out.println("I am walking"); } }
class Bird extends Animal{ void fly(){ System.out.println("I am flying"); } void sing(){ System.out.println("I am singing"); } }
public class Solution {
}