Oracle provides a Type 4 JDBC driver, referred to as the Oracle “thin” driver. This driver includes its own implementation of a TCP/IP version of Oracle’s Net8 written entirely in Java, so it is platform ind
Each method is public and abstract, but it does not contain any constructor. What are constructors in Java? In Java, a constructor refers to a block of code used to initialize an object. In addition: Constructors must have the same name as that of the class. Constructors have no return...
This is a trick question, there is no problem with the code and it will compile successfully. We can always catch an Exception or any unchecked exception even if it’s not in the throws clause of the method. Similarly, if a method (foo) declares an unchecked exception in the throws ...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
Functional interfacescompletely changed how we look at both fundamental building blocks of Java language. You cannot skip this question if your resume says you work on Java 8. In the linked tutorial, I will show you the correct scenarios, which will help you crack some complex interview questio...
What must you write on the card, besides the question, to ensure Bob can encode the message so that Eve cannot read your phone number? 69.How long it would take to sort 1 trillion numbers? Come up with a good estimate. 70.Order the functions in order of their asymptotic performance: ...
Java String Intervie... If we have the following in a Java code: String s="abc"; String s2="abc"; Then what will be output o... What Is Hashing... What is hashing? To hash means to grind up, and that's essentially what hashing is all about. The he... ...
12. What are Inner Beans in Spring? In Spring framework, whenever a bean is used for only one particular property, it’s advised to declare it as an inner bean. And the inner bean is supported both in setter injection ‘property‘ and constructor injection ‘constructor-arg‘. ...
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132 . Are the constructors in an object invoked when it is de-serialized? 133 . Are the values of static variables stored when an object is serialized? Collections 134 . Why do we need collections in Java? 135 . What are the important interfaces in the collection hierarchy? 136 . What ...