Answer / Kaleem Salahuddin

"Array is a data structure that holds a certain number of values of a single type. In Java, the Array class encapsulates an array along with methods to perform operations on it."

Why is prepared Statement, Callable Statement used for? What is the need of Batch updates?

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when we create singleton design then we create private constructtor..so how JVM take private constructor to make object..but it's private..

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What are exceptions

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Give few difference between constructor and method?

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How u dubugg ur project?

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what is the volatile modifier for? : Java thread

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Is string a data type in java?

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What is substring in java?

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What is listnode in java?

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