(a)
Thread <1024>: Creating/destroying 100000 strings...
Thread <1024>: total time=23 millisecs, average=0.000230

(b)
Thread <1026>: Creating/destroying 100000 strings...
Thread <1026>: total time=23 millisecs, average=0.000230
Thread <3076>: Creating/destroying 100000 strings...
Thread <4101>: Creating/destroying 100000 strings...
Thread <3076>: total time=35 millisecs, average=0.000350
Thread <5126>: Creating/destroying 100000 strings...
Thread <5126>: total time=23 millisecs, average=0.000230
Thread <4101>: total time=71 millisecs, average=0.000710
Thread <6151>: Creating/destroying 100000 strings...
Thread <6151>: total time=24 millisecs, average=0.000240
Thread <7176>: Creating/destroying 100000 strings...
Thread <8201>: Creating/destroying 100000 strings...
Thread <9226>: Creating/destroying 100000 strings...
Thread <9226>: total time=23 millisecs, average=0.000230
Thread <10251>: Creating/destroying 100000 strings...
Thread <10251>: total time=23 millisecs, average=0.000230
Thread <7176>: total time=80 millisecs, average=0.000800
Thread <8201>: total time=80 millisecs, average=0.000800
Thread <2051>: Creating/destroying 100000 strings...
Thread <2051>: total time=23 millisecs, average=0.000230

Example 4: (a) The results of running teststring5.cpp; (b) results of teststring6.cpp.