Answer Posted / shreshta

Method signature: void name();
declaring method but not declaring the body of method

What is use of super keyword?

949

---

Differentiate between stringbuffer and stringbuilder in java.

1005

---

Is singleton thread safe in java?

956

---

What is the purpose of encapsulation?

998

---

explain local datetime api in java8?

999

---

Is null a string in java?

1052

---

Wha is the output from system.out.println(“hello”+null); ?

1129

---

explain different ways of using thread? : Java thread

1000

---

How we can execute any code even before main method?

1118

---

What is a nested structure?

1015

---

Write a java program to check if a number is prime or not?

1027

---

how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)

2325

---

What are inner classes or non static nested classes in java?

1160

---

What is method and methodology?

1082

---

how to create constants in java?

1069

---