One of the prisoners is a self-proclaimed racist who opened fire on a crowd four years ago.
其中一名囚犯恬不知耻地自称是种族主义者,他曾在四年前向人群开枪射击。
《柯林斯英汉双解大词典》
2
If the title bar (monitoring self) isn't hint enough, notice that the second JConsole window that you just opened is monitoring the JConsole application itself.