Adams had 21 points in the season opener against Indiana State and 26 points against UC Irvine on Tuesday, making him the first freshman in school history to score 20-plus points in his first three games. He made all seven of his free throws, extending his streak to 23 in a row.
The Bruins (3-0) next play Georgetown on Monday in Brooklyn, N.Y., as part of the Legends Classic. They will then face either No. 1 Indiana or Georgia on Tuesday.
Rayshawn Goins led James Madison with 24 points, one off his career best. The Dukes fell to 0-4 against top-25 teams in season openers.
Larry Drew II had a career-high 12 assists and freshman Kyle Anderson grabbed 12 rebounds playing with a bone contusion on his right wrist that he sustained against Irvine.
The scoreboard operator at new Pauley Pavilion had to shrink the numbers on the digital board to fit triple digits once the Bruins topped 100 points on a layup by Tony Parker with 1:21 to play.
Adams scored 16 points in the first half when UCLA shot 68 percent and led 63-29. The Bruins were 6 of 7 from 3-point range and made 11 of 13 free throws while holding James Madison to 34 percent field-goal shooting. The Dukes didn't reach double digits until 10 minutes into the game when they trailed by 16 points.
The only suspense in the second half was whether Adams could keep his free-throw shooting streak intact. With 3 1/2 minutes to go, one of his attempts bounced on the front of the rim before going in and he sank his last one before heading to the bench shortly after.
UCLA scored at will against the Dukes, who never made a dent in their huge deficit. A.J. Davis was the only other player in double figures with 16 for James Madison. The Bruins' bench outscored the Dukes' reserves, 48-18, and UCLA owned a commanding 44-34 edge in the paint.
UCLA guard Tyler Lamb missed his second straight game because of a swollen left knee.
Shabazz Muhammad sat out his third straight game as the star recruit awaits the outcome of UCLA's appeal to the NCAA regarding its decision to rule him ineligible for violating amateurism rules. The appeal is expected to be heard Friday