Revert "Create Graphe.java"

This reverts commit 1bce8ac20d80236abfa4e8f69fd5c80054309400.
Revert "Revert "Create Graphe.java""

This reverts commit f724ae6806b2780f0880a7306b243eb3f77e61a5.
Revert "Create Graphe.java"

This reverts commit 1bce8ac20d80236abfa4e8f69fd5c80054309400.