An warware: sami amfanin ram

Java harshe ne da ya dace da abu kuma babban matakin shirye-shirye, tare da fa'idodin ayyuka iri-iri. ฦŠaya daga cikin irin waษ—annan ayyuka shine ikon bin albarkatun tsarin, kamar amfani da ฦ˜wararren ฦ˜waฦ™walwar ฦ˜arfafawa (RAM). Daga ฦ™irฦ™irar ingantattun aikace-aikace zuwa aikin gyara matsala, fahimtar amfani da RAM na aikace-aikacenku na iya zama mahimmanci. A cikin wannan labarin, za mu bincika yadda ake samun amfani da RAM a cikin Java kuma za mu lalata dukkan lambar Java a gare ku mataki-mataki.

Amfani da RAM shine ma'auni mai mahimmanci don tabbatar da ingantaccen aiki na kowane aikace-aikacen da aka haษ“aka a Java. Ta hanyar fahimtar adadin wannan mahimman albarkatun da app ษ—in ku ke amfani da shi, zaku iya aiki don haษ“aka ayyukan ฦ™a'idar da haษ“aka aikinta.

Hanyar Kula da Amfani da RAM a Java

Domin bin diddigin amfani da RAM na aikace-aikacen Java, za mu yi amfani da ajin 'Runtime', wanda ke cikin kunshin 'java.lang'. Ajin 'Runtime' yana ba da hanyoyi da yawa waษ—anda ke ba mu damar yin mu'amala da Muhallin Runtime Java (JRE).

public class Main {
    public static void main(String[] args) {
        Runtime runtime = Runtime.getRuntime();
        long memory = runtime.totalMemory() - runtime.freeMemory();
        System.out.println("Used memory in bytes: " + memory);
        System.out.println("Used memory in megabytes: " 
            + bytesToMegabytes(memory));
    }

    private static long bytesToMegabytes(long bytes) {
        return bytes / (1024L * 1024L);
    }
}

Breaking Down The Code

A cikin shirin Java da ke sama, hanyar`Runtime.getRuntime()` tana mayar da abin da ake aiki da shi tare da aikace-aikacen Java na yanzu. Hanyoyin 'TotalMemory()' da 'freeMemory()' daga ajin 'Runtime' suna mayar da jimillar ฦ™waฦ™walwar ajiya da ฦ™waฦ™walwar ajiyar kyauta a cikin Injin Virtual na Java (JVM) bi da bi.

Lokacin da muka cire ฦ™waฦ™walwar ajiyar kyauta daga jimlar ฦ™waฦ™walwar ajiya, za mu sami ฦ™waฦ™walwar ajiyar yanzu wanda aikace-aikacen Java ษ—inmu ke amfani da shi. Wannan yana ba mu amfani da ฦ™waฦ™walwar ajiya a cikin bytes. Don musanya waษ—annan bytes zuwa mafi kyawun tsari, kamar megabytes, muna amfani da aikin jujjuyawa mai sauฦ™i 'bytesToMegabyte()''.

Laburaren da ke da hannu da Ayyuka iri ษ—aya

Shirin Java yana ba da damar ginanniyar ayyukan da ke akwai tare da kunshin `java.lang`, musamman ajin 'Runtime'. Ita ce jigon sarrafa ฦ™waฦ™walwar ajiya a aikace-aikacen Java.

Bayan Java, yawancin harsunan shirye-shirye suna ba da ayyuka iri ษ—aya don dawo da amfanin ฦ™waฦ™walwar ajiyar kowace aikace-aikacen da aka bayar. Misali, Python yana ba da ษ—akin karatu na 'psutil', wanda zai iya tattara tsari da sarrafa kayan aiki.

A cikin aikace-aikacen ฦ™waฦ™walwar ajiyar ฦ™waฦ™walwar ajiya ko yayin hulษ—a tare da manyan bayanan bayanai, saka idanu da sarrafa amfani da RAM ya zama mahimmanci don aiki mai sauฦ™i da ฦ™warewar mai amfani. Fahimtar amfani da RAM ษ—in aikace-aikacen ku na Java muhimmin bangare ne na inganta shirin ku.

Sauran Aikace-aikace da Yanayin Gaba

Baya ga kawai maido da amfani da ฦ™waฦ™walwar ajiya, ana iya amfani da lambar saka idanu ta RAM a sama a wasu aikace-aikace daban-daban. Waษ—annan aikace-aikacen sun haษ—a da bin diddigin leaks na ฦ™waฦ™walwar ajiya, sa ido kan yadda ake amfani da ฦ™waฦ™walwar ajiya na ainihi, haifar da tarin shara, da sauransu.

Makomar aikace-aikace za ta yi yuwuwar dogaro da ฦ™arfi kan ingantaccen amfani da albarkatu. Yayin da aikace-aikacen ke ci gaba da girma kuma mafi rikitarwa, ingantaccen sarrafa albarkatu kamar RAM zai taka muhimmiyar rawa a aikin aikace-aikacen da gamsuwar mai amfani. A ฦ™arshe, fahimtar amfani da RAM na aikace-aikacen Java muhimmin bangare ne na haษ“aka aikace-aikacenku don ingantaccen ฦ™warewar mai amfani.

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