Fix this printed warning during java compilation: "Note: Some input files use unchecked or unsafe operations. Recompile with -Xlint:unchecked for details" * Add `-Xlint:unchecked` as a javac flag * Fix the various warnings
Fix this printed warning during java compilation: "Note: Some input files use unchecked or unsafe operations. Recompile with -Xlint:unchecked for details" * Add `-Xlint:unchecked` as a javac flag * Fix the various warnings