1. What is the right data type to represent a price in Java?Answer: BigDecimal, if memory is not a concern and Performance, is not critical, otherwise double with predefined precision. …
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1. Explain throw keyword in java?Answer: Generally, JVM throws the exception and we handle the exceptions by using try-catch block. But there aresituations where we have to throw user-defined exceptions …
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1. Explain the features of interfaces in java? Answer: 1) All the methods defined in interfaces are implicitly abstract even though abstract modifier is not declared. 2) All the methods …
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1. Is Swing thread-safe?Answer: No, Swing is not thread-safe. You aren’t able to update Swing components, e.g. JTable, JList or Jpanel from any thread. In fact, they must be updated …
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1. What is an interface?Answer: Interfaces are core part of java programming language and used a lot not only in JDK but also java design patterns, most of the frameworks …
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