When do we use execute method in java jdbc?

1029

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State the difference between creating string as new () and literal.

1188

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What is covariant return type?

1157

---

Explain different forms of polymorphism?

1198

---

Is there any difference between synchronized methods and synchronized statements?

1142

---

Tell us something about an iterator.

1012

---

Write a code to show a static variable?

1137

---

What is super?

1252

---

Can we declare a static variable inside a method?

1043

---

What do you understand by soft reference?

1103

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If a class is declared without any access modifiers, where can the class be accessed?

1109

---

What is instance synchronization?

1105

---

What is callablestatement? How you can call stored procedure to pass in parameter?

1068

---

Are the imports checked for validity at compile time? Will the code containing an import such as java.lang.abcd compile?

1142

---

What is the common usage of serialization?

1223

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