how to see the vainilla clases from the eclipse ide explorer bar ??

[perromercenary00]

Good days 

i need to see the bed block class code and the code from the arrow entity to copy some things 
but dont remember the route to get to that part 
im using eclipse 

 

[perromercenary00]

thanks 
but also iwill like to know the route 
for those cases where i dont know the name of the class im looking for  

[Luis_ST]

in addition to D7 you find Minecraft inside the Forge dependency:
forge-version-forge_version-mapped_offical_version-recomp.jar