Answer Posted / utkarsh verma

Some correction required in last solution

void main(){

Single *ptr = Single::Instance(); //The only way to
//instantiate

}

What is primitive data type in java?

988

---

Difference between default and protected access specifiers?

1136

---

Explain the protected field modifier?

1109

---

How does arraylist work in java?

1129

---

What do you mean by platform independence?

1057

---

Explain the difference between collection api and stream api in java8?

989

---

Which collection allows duplicate values in java?

976

---

What does microservices mean?

956

---

How to provide security in java

2285

---

Can we create an object of private class?

974

---

Why to use nested classes in java? (Or) what is the purpose of nested class in java?

1080

---

How can a gui component handle its own events?

1115

---

Can we declare a class as abstract without having any abstract method?

1007

---

what happens when a thread cannot acquire a lock on an object? : Java thread

1055

---

What is difference between synchronize and concurrent collection in java?

1080

---