Why do we create dto in java?

0 Answers  

---

what is meant by Encapsulation?Explain with an example?

4 Answers  

---

What do you understand by a variable?

0 Answers  

---

Employee has a Passport. here employee is an object and passport is an object, give the class design

3 Answers  

---

What is the point of lambda expressions?

0 Answers  

---

public class Dog { private int weight; public int getweight(){ return weight; } public void SetWeight(int newWeight){ if (newWeight > 0){ weight = newWeight; } } } public class TestDog { public static void main(String[] args) { Dog d = new Dog(); System.out.println("Dog d's weight is " + d.getWeight()); d.setWeight(42); System.out.println("Dog d's weight is " + d.getWeight()); d.setweight(-42); System.out.println("Dog d's weight is " + d.getWeight()); } } class dog is compiled but there is an error in class TestDog when compiled and the error is with dot notations. I want to kmow why there is error in testdog class when compiled.

3 Answers  

---

How to implement Hash Map?

2 Answers   HCL,

---

What type of parameter passing does java support?

0 Answers  

---

Is java installed on windows 10?

0 Answers  

---

How do I install jdk?

0 Answers  

---

please suggest me final year project ideas for computer engg.on java as soon as possible becaus eo want to sumbit project name. and i am very confused.

1 Answers  

---

what is reflection api? How are they implemented?

0 Answers  

---