v0 v1 v2 are the register address in the Dalvik Virtual Machine.
const-string v1, "12345678"
creates a String “12345678” and save it to the register v1.
invoke-virtual {v0, v1, v2}
calls the method put(..) and it takes three parameters v0 is ‘this’, v1 is “12345678” and v2 is “George#1”
solved Android HashMap – What Does This Code Do?