A Dorchester man was arrested Saturday and charged with fatally shooting two men at a public housing development in Jamaica Plain last week, Boston police said.

Wilvin Guity, 28, is scheduled to be arraigned in Roxbury District Court Monday on two counts of murder for the shooting deaths of Christopher Joyce, 23, and Clayborn Blair, 58, police said in a prepared statement.

Boston Police Commissioner William B. Evans commended detectives for tracking down Guity, but said he was angered by the “senseless gun violence’’ that resulted in the victims’ deaths. The two men were gunned down on the night of May 4 while celebrating Joyce’s upcoming graduation from Salem State University with a gathering at the Mildred C. Hailey Apartments, relatives said.

“Chris and Clayborn did absolutely nothing wrong and most certainly deserved better fates,’’ Evans said in the statement. “And, while there are no words to lessen the pain or sense of loss being felt by the family and friends of Chris and Clayborn, it is my humble hope that word of today’s arrest will provide for them some small measure of comfort and closure.’’

Police did not detail what may have motivated the alleged murders, but Evans previously said that Joyce and Blair were innocent victims of a gang-related shooting.

Officer James Kenneally, a Boston police spokesman, declined to provide further information Saturday afternoon on what led to the arrest.

Joyce, who grew up in Jamaica Plain, was set to become his family’s first college graduate next Saturday. He earned an accounting degree, according to a biography posted on his LinkedIn profile. He spoke to his mother just 15 minutes before he was shot, his cousin told the Globe.

“You were humble, loving, and smart,’’ Joyce’s parents said in a statement last Sunday. “As parents, we should be able to congratulate you on all of your accolades and hard work. Unfortunately, we can’t, because a coward decided to cut your legacy short. We will miss you beyond belief.’’

Blair, who was a friend of Joyce’s family, was the father of three grown children, a relative said.

One of Blair’s sons was at the complex when Blair was shot, and he told another relative that his father had been hit in the chest during a drive-by shooting, said Blair’s aunt, Jaunita Blair.

“He was a good person; he was a funny guy,’’ she said. “He loved to laugh and to talk to people.’’

Jacob Carozza can be reached at jacob.carozza@globe.com.