There are three anointings that David received:
Anointing for Trouble (The Lord wants to teach us to contend)
Anointing of Praise (Judah: the war-like lion)
Anointing of Kingship (Destined to reign & rule)
1Sam 17:50-51 / 1Sam 30:6-8 / 2Sam 5:3 / 2Sam 5:10 / 2Sam 5:17-20