What is the use of inner class?
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Can a class be private in java?
What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
What are wrapped classes in java programming?
Why do we need wrapper class?
Does Java support multiple Inheritance?
What is meant by nested loop?
How to perform binary search in java?
What is the difference between throw and throws keywords?
What is the difference between break and continue statements?
I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
Which browsers work with java?
What is a byte array?