Explain what are final variable in java?
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What is use of static method?
What is ordered map in java?
Which package is always imported by default?
Given: 11. public static void main(String[] args) { 12. Integer i = uew Integer(1) + new Integer(2); 13. switch(i) { 14. case 3: System.out.println(”three”); break; 15. default: System.out.println(”other”); break; 16. } 17. } ‘What is the result? 1 three 2 other 3 An exception is thrown at runtime. 4 Compilation fails because of an error on line 12.
Explain about sets?
What is string builder in java?
What is string :: npos?
Explain java coding standards for classes or java coding conventions for classes?
What will happen inside init() in servlet. my interviewer asked servlet lifecycle. i said "once servlet is loaded in to memory init() will be called which performs servlet initialization " . Again interview asked what values will be initialized . what is difference between init() and init(ServletConfig config).
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what are the disadvantages of indexes in oracle?
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How to set the permissions to a file in java?
What is matcher in java?