What is the purpose of nested class in java?
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What is a consumer in java?
How many objects are created when we create String class object using new operator?
Does garbage collection occur in permanent generation space in jvm?
Should a main method be compulsorily declared in all java classes?
What is protected access modifier?
What is a nullable field?
If a method is declared as protected, where may the method be accessed?
Is null in java?
Name the method that used to clear the buffer ?
What is "finally" keyword?
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 is the difference between method and constructor ?