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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
What is Abstract class? |
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| 152. |
What is Polymorphism? |
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| 153. |
When super keyword is used? |
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| 154. |
Define Inheritance? |
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| 155. |
What things should be kept in mind while creating your own exceptions in Java? |
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| 156. |
How finally used under Exception Handling? |
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| 157. |
When throw keyword is used? |
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| 158. |
When throws keyword is used? |
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| 159. |
Which are the two subclasses under Exception class? |
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| 160. |
Explain Runtime Exceptions? |
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| 161. |
What do you mean by Checked Exceptions? |
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| 162. |
What is an Exception? |
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| 163. |
What is finalize() method? |
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| 164. |
java.util.regex consists of which classes? |
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| 165. |
Which package is used for pattern matching with regular expressions? |
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| 166. |
What is the difference between StringBuffer and StringBuilder class? |
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| 167. |
Why is StringBuffer called mutable? |
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| 168. |
Why is String class considered immutable? |
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| 169. |
When parseInt() method can be used? |
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| 170. |
Variables used in a switch statement can be used with which datatypes? |
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| 171. |
According to Java Operator precedence, which operator is considered to be with highest precedence? |
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| 172. |
What do you mean by synchronized Non Access Modifier? |
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| 173. |
What is protected access modifier? |
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| 174. |
What do you mean by Access Modifier? |
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| 175. |
When a byte datatype is used? |
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| 176. |
What is the default value of float and double datatype in Java? |
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| 177. |
What is the default value of byte datatype in Java? |
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| 178. |
List the three steps for creating an Object for a class? |
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| 179. |
What do you mean by Constructor? |
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| 180. |
What is Singleton class? |
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| 181. |
What is a Class Variable? |
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| 182. |
What is a Instance Variable? |
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| 183. |
What is a Local Variable? |
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| 184. |
What kind of variables a class can consist of? |
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| 185. |
Define class? |
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| 186. |
What do you mean by Object? |
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| 187. |
List some Java keywords(unlike C, C++ keywords)? |
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| 188. |
List two Java IDE’s? |
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| 189. |
What is Java Virtual Machine and how it is considered in context of Java’s platform independent feature? |
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| 190. |
Why Java is considered dynamic? |
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| 191. |
How Java enabled High Performance? |
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| 192. |
Why is Java Architectural Neutral? |
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| 193. |
List any five features of Java? |
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| 194. |
What are the supported platforms by Java Programming Language? |
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| 195. |
What do you know about Java? |
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