When you start studying Java, you will understand the call system.gc (), and JVM will not immediately collect memory. Single in the J2ME environment, use system.gc () in a timely manner. Two groups of data comparison: - Data 1 - - Data 2 - Now Mem4: 827792 NOW MEM4: 818460NOW MEM2: 872904 NOW MEM2: 872488NOW MEM3: 872488NOW MEM3: 872488NOW MEM1: 1102360 NOW MEM1: 871756NOW MEM4: 1353920 NOW mem4: 946456now mem2: 886776 now mem2: 886764now mem3: 886776 now mem3: 886764now mem1: 1313924 now mem1: 884092now mem4: 1415412 now mem4: 1092184now mem2: 903516 now mem2: 903596now mem3: 903516 now mem3: 903596 data 2 now mem2 : After using system.gc (); data is a memory usage value. Nokia Series 60
