Amity University Software Engineer Trainee Interview Questions and Answers

Q1. How Java Works ?
Ans. 
Java is a high-level programming language that follows the principle of 'write once, run anywhere' using the Java Virtual Machine (JVM).
• Java code is compiled into bytecode, which is then executed by the JVM.

• Java is platform-independent, meaning the same code can run on any device with a JVM.

• Java supports object-oriented programming concepts like classes, objects, and inheritance.

• Java has a rich set of libraries and fra...read more
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Q2. Difference Between Final , Finally , and Finalize in Java .
Ans. 
Final is a keyword used to declare constants, Finally is a block of code that always executes, and Finalize is a method used for cleanup.
• Final is used to declare constants in Java.

• Finally is a block of code that always executes, typically used in try-catch-finally blocks.

• Finalize is a method in Java used for cleanup operations before an object is garbage collected.
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Q3. Tell Me Difference Between Error And Exception and how exception is handled in java ?
Ans. 
Error is a compile-time issue, while exception is a runtime issue. Exceptions are handled using try-catch blocks in Java.
• Error is a compile-time issue, detected by the compiler. Exception is a runtime issue, occurring during program execution.

• Errors are generally caused by the environment in which the application is running, while exceptions are caused by the application itself.

• In Java, exceptions are handled using try...read more
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Simple banking system in java

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