I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?

1030

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What is externalizable interface?

1118

---

What is the difference between reader/writer and inputstream/output stream?

1099

---

Define how can we find the actual size of an object on the heap?

1238

---

Where and how can you use a private constructor?

1013

---

What happens if an exception is not handled in a program?

1121

---

What is the difference between the size and capacity of a vector?

1066

---

Why deletion in linkedlist is fast than arraylist?

1120

---

What is the difference between a constructor and a method?

1277

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When arithmeticexception is thrown?

1049

---

What’s meant by anonymous class?

1118

---

What are runtime exceptions?

1179

---

Which number is denoted by leading 0x or 0x in java?

1063

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What is the default value of an object reference declared as an instance variable?

1135

---

If a variable is declared as private, where may the variable be accessed?

1077

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