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Why Strings in Java are called as Immutable?
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When the constructor of a class is invoked?
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How an object is serialized in java?
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What’s the difference between an Abstract Class and Interface in Java?
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What are 6 different types of operators in Java?
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What is ternary operator? Give an example.
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What is the difference between continue and break statement?
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What are Loops in Java? What are three types of loops?
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What’s the purpose of Static methods and static variables?
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What are the various access specifiers for Java classes?
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What is the difference between an Inner Class and a Sub-Class?
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can we write main method without static keyword in java main class, give an example
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Can we create object of Object class in java?
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what is the difference between java and c++
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Give me the example of how in real life example Thread is used...
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How should I start learning Advanced Java? Which books to refer ???
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Why should we use java?
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java does not support multiple inheritance because different classes may have different variable with same name that may be contradicted and can cause confusions resulting in errors.Java supports it through the interfaces.A class can extend one class and can implement more than one interfaces also.those interfaces may have variables with same names.Wont they create confusion?
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static functions can call only other static functions and static variables then how does public static void main(String args[]) function is successful to call non-static functions and also non static variables?
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we have been taught that whenever an object is created it always invokes a constructor, if not defined in the class then the compiler implicitly invokes it. why??? if there is a parameterized constructor in the class then the compiler does not provide the default constructor why?????
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