public class MyClass {
	private final <T extends TileEntity> Class<T> tileEntityClass;

	public <T extends TileEntity> MyClass(Class<T> tileEntityClass) {
			this.tileEntityClass = tileEntityClass;
	}

	// My function got creating a new instance of the TileEntity.
	public <T extends TileEntity> T getTileEntity() {
				return tileEntityClass.newInstance();
			} catch(Exception e) {
				e.printStackTrace();
			}

			return null;
		}
	}
}