How can we use primitive data types as objects?

963

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Can variables be used in java without initialization?

1090

---

What is an infinite loop?

1264

---

What is an infinite loop? How infinite loop is declared?

1114

---

Can we use a default constructor of a class even if an explicit constructor is defined?

1106

---

What's the purpose of static methods and static variables?

1101

---

What is the difference between comparison done by equals method and == operator?

1030

---

When the constructor of a class is invoked?

1034

---

What is ternary operator? Give an example.

1085

---

How an object is serialized in java?

994

---

When we should use serialization?

1032

---

What's the base class of all exception classes?

1064

---

In multi-threading how can we ensure that a resource isn't used by multiple threads simultaneously?

1328

---

What are the two environment variables that must be set in order to run any java programs?

967

---

What is the access scope of protected access specifier?

1002

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