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Core Java Interview Questions
Questions Answers Views Company eMail

Why do we use string?

191

Which is faster string or stringbuilder?

193

What is %d in printf?

193

What are parsing rules?

185

What are the different types of constructor?

193

What is the synonym of string?

208

What is the difference between integer parseint and integer valueof?

195

What is the use of coding?

191

What are functions in java?

196

What is java and its types?

213

What is difference between ++ I and I ++ in java?

197

what is predefined function in java?

212

What is t in generics in java?

213

What is e java?

208

What are inbuilt functions in java?

210


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Un-Answered Questions { Core Java }

How do you allocate memory to object?

228


Describe the process as to how substring() methodology mechanisms in java.

221


Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

6519


Difference between static binding and dynamic binding?

238


Write a java program that prints all the values given at command-line.

238






What is the primitive type short?

242


What is string variable?

199


What is a function in java?

218


Can a class be protected in java?

185


What is meant by polymorphism?

228


Which is fastest collection in java?

208


Difference between operator overloading and function overloading

255


Is void a data type in java?

197


Can subclass overriding method declare an exception if parent class method doesn't throw an exception?

195


What is skeleton and stub? What is the purpose of those?

225