I had the problem with no Java icon in the control panel with update 7.9. It was only resolved with a full uninstall and the use of Java removal tools and then a clean reinstall. I personally have not disabled Java yet and don't plan to unless something actually rears it's ugly head.
Avatar FX6327X Desktop, AMD FX-6300 6 core CPU, Radeon R9-270X graphics, 8GB RAM, Windows 8.1 64 bit, Bitdefender Free antivirus, MBAM on demand
HP6140 Laptop, AMD A8-3500M Quad Core APU, 6GB RAM, Windows 7 Home Premium 64 SP1, Bitdefender Free, MBAM
Google/Asus Nexus 7 tablet, Qualcomm Snapdragon quad core 1.5ghz, 32GB storage, Android 4.4.4, Dolphin browser, TrustGo Mobile Security All machines behind a NAT router