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I would add ID Strings to make it clearer:

return "Node: " +value + " next=" + next;

The this & toString() are redundant

Did you try adding a Public String toString() {} method to the Node class that returns a String with the value and next values. It allows you to print a node easily for debugging. For example if...

Does it compile and execute?

For debugging I'd add a toString() method to the Node class that would return the value and next variables. Then you can print a Node and see it all.

Test with code to create an instance of the Node class, compile and execute it.

To visualize a linked list, take a piece of paper, draw some Nodes with data and next and chain the Nodes together. ...

The Node class has a value and a pointer to the next Node.
Have you tried creating an instance of the Node class? You should be compiling and testing the code after each small step to check if...