Why do we need array in java?
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How is a structure different from array ?
How many bits is a string?
Is it correct to say that due to garbage collection feature in java, a java program never goes out of memory?
What are java packages? What's the significance of packages?
How do you pass by reference?
What is the size of string?
Can size_t be negative?
How can we make string upper case or lower case?
what is the use of Clonable,and serializable interface?
Why can't we make jsp as a controller and action servlet in struts?
Is null an object in java?
Is age a discrete variable?