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What is binary numeric promotion states?
Binary numeric promotion implicitly applies appropriate widening primitive conversions so that a pair of operands have the broadest numeric type of the two, which is always at least int. Given T to be the broadest numeric type of the two operands, the operands are promoted as follows under binary numeric promotion.If T is broader than int, both operands are converted to T; otherwise, both operands...
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Tell me the contexts in which the Unary numeric promotion is applied?
Unary numeric promotion is applied in the following contexts:1.operand of the unary arithmetic operators + and -2.operand of the unary integer bitwise complement operator ~ 3.during array creation; for example, new int[20], where the dimension expression (in this case 20) must evaluate to an int value 4.indexing array elements; for example, table['a'], where the index expression (in this case 'a')...
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What is unary numeric promotion states?
Unary numeric promotion states thatIf the single operand of the operator has a type narrower than int, it is converted to int by an implicit widening primitive conversion; otherwise, it is not converted
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Is garbage collection concept platform dependent/indepentdent?
Platform dependent.
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Is thread concept platform dependent or independent?
Platform dependent.
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What are the characteristics of cookies?
The following are a list of characteristics of cookies:1.Cookies are only sent back to the server that created them and not to any other server.For example,if a cookie was created by the Web server of www.macromedia.com and sent to the client or the browser,the cookie can be sent back to the same server only.2.Cookies are only used by the server to find out the computer name,IP address or any other...
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How are this() and super() used with constructors?
This() is used to invoke a constructor of the same class. super() is used to invoke a superclass constructor.
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What modifiers can be used with a local inner class
A local inner class may be final or abstract.
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What is the % operator
It is referred to as the modulo or remainder operator. It returns the remainder of dividingthe first operand by the second operand.
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25. Is sizeof a keyword
The sizeof operator is not a keyword.
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Garbage collection (object lifetime)
Explain details of concept of"object iceland" in garbage collection (object lifetime) in core java
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Java Interview Questions
Ans