I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

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Can we have two main methods in a java class?

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Why is it important to initialize a variable?

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Why does the integer quotient -0/3 yield 0, but the double quotient -0.0/3.0 yields – 0.0?

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In which language JVM (Java Virtual Machine) is implemented

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How do constructors use this() and super()?

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What is meant by inheritance and what are its advantages?

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What is the static method?

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What are the limitations of procedural programming approach?

0 Answers   Amdocs,

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What is Java Reflection API? Why it’s so important to have?

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A person says that he compiled a java class successfully without even having a main method in it? Is it possible?

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What JNDI(Java Naming and Directory Interface) provides?

4 Answers  

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