Can you sort a string in java?
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What is numeric data type?
2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?
How to access arraylist elements in java?
What is string data type?
What does a boolean method return?
Can we instantiate interface in java?
what is sendredirect?
Give a practical example of singleton class usage?
How would you convert bytes to string?
Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?
When you declare a method as abstract method ?
Can a class declared as private be accessed outside it’s package?