What is a constructor overloading in java?
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Are maps ordered java?
Explain about abstract classes in java?
What is string immutability?
what is the difference between String and StringBuffer classes?
What is java objectoutputstream?
Which class contains a method: cloneable or object?
What is the use of singleton?
Explain a few methods of overloading best practices in java?
Explain about Superclass and Subclass?
can any body body expalin best definitions & best real time exaples for opps concepts.
Write down program for following scenario. Use java coding standard. You have array list with some words in it..we will call it as dictionary….and you have a arbitrary string containing some chars in it. You have to go through each word of dictionary and find out if that word can be constructed with the help of chars from arbitrary string given. If you find the word print it else print none.
Difference between == and .equals() ?