java-graph help

java-graph help

sir/madam
I wanted to design a shortest path Algorithm.
i wanted to show the shortest path in graphical format in the way it looks in the books.I have drawn circlec and lines between the circles but am not able to print distance in between the circles.please help me with the tip.how to print the variable value in the diagram.
i know to write constant value by using drawstring,but i dono how to print the variable value.pls help me.
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