TestConstructor

package Constructor;

public class TestConstructor {

int a;
int b;


TestConstructor() {
System.out.println("I am from parent default constructor");
}

TestConstructor(int a){
this.a = a;
System.out.println("I am from parent parameterized constructor");
}


TestConstructor(int a,int b){
this.a = a;
this.b = b;
}
void display(){
System.out.println("value of a is:-"+a);
}

void sum(){
int c = a+b;

System.out.println("sum of two number is :-"+c);
}
public static void main(String[] args) {
// TODO Auto-generated method stub

TestConstructor obj = new TestConstructor();

obj.display();
TestConstructor obj1 = new TestConstructor(5);

obj1.display();

TestConstructor obj2 = new TestConstructor(5,10);

obj2.sum();
}

}