ruby 线程学习

i=1
Thread.start{
    while true
        print "Thread 1 \n"
        i+=1
        if i==5 then
            Thread.kill Thread.current
        end
    end
}
j=1
while true
    print "Thread 2 \n"
    j+=1
    if j==4 then
        Thread.exit
    end
end