What is number data type in java?
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Does java isempty check for null?
What is difference between this and super keyword?
String Reverse in Java...!
What is flag in java?
Which One is optimal to choose ? Syncronized hash map or Hash table with single thread model? How can a hash map syncronized with out using syncrozed blocks in programm?
What is linked hashmap and its features?
What are the restrictions that are applied to the java static methods?
How to make a non daemon thread as daemon?
What is a list in java?
In Java, what are this() and super(), and where are you required to use them?
Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example
What types of index data structures can you have in java?