What is immutable in java?

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How do you add an element to an arraylist in java?

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Difference between this() and super() ?

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What is boolean false?

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import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }

3 Answers   IBM, Ramco,

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What do you mean by multithreaded program?

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For ease of programming you can consider the maze as a 2D array with colors represented by below integer and characters (in capital letters). • B - Black • W -White • G- Green • R- Red R B W B W W W W W W B W B B W W W W W W W B W B W W W B W W W W B B W W W B W W W B W W B B B B W B W B W W B W W W B W W W B B B W W B W W W B W W B W B W W W B W B W W W W B B W W W W B W W W W W G Shortest Route Problem: • Solution that finds the shortest Route between Red and Green  White will have 1 Weight.  Red and Green carry no weights.  Shortest path is the path with less weight when you add up the weights in the path.

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What is a static method in java?

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What is return null in java?

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what is the use of private constructor in core java?

3 Answers   OnMobile, Satyam, Yash Technologies,

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what models are available for event handling?

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What does the “static” keyword mean?

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