What is an object in java and how is it created?

1108

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What is collection class in java? List down its methods and interfaces.

1035

---

What are the different types of inheritance in java?

1043

---

What is an association?

1042

---

What are wrapper classes in java?

1130

---

What is the difference between array list and vector in java?

984

---

Is multiple inheritance supported by java?

1059

---

What is a map in java?

1056

---

Explain jdk, jre and jvm?

1022

---

What is the difference between this() and super() in java?

1103

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What is an infinite loop in java? Explain with an example.

1115

---

What is a package in java? List down various advantages of packages.

1353

---

What is the difference between a local variable and an instance variable?

1186

---

Define a java class.

1538

---

Why pointers are not used in java?

1181

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