ã€ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã€‘CompletableFutureã«ã¤ã„㦠- Qiitaマルãƒã‚¹ãƒ¬ãƒƒãƒ‰å‡¦ç†ã§ä»–ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã‹ã‚‰æˆ»ã‚Šå€¤ãŒã‚ã‚‹å ´åˆãŒã‚る。 戻り値をå—ã‘å–る方法ã¨ã—ã¦CompletableFutureãŒã‚る。 マルãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®ä¸ã§ã¯ã€1ã¤ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã®æˆ»ã‚Šå€¤ã‚’å—ã‘å–ã£ã¦å‡¦ç†ã‚’è¡Œã„ãŸã„å ´åˆãŒã‚る。 ãã®å ´åˆã€æˆ»ã‚Šå€¤ãŒå¿…è¦ãªå‡¦ç†ã¯ã€æˆ»ã‚Šå€¤ã‚’å—ã‘å–ã‚‹ã¾ã§å‡¦ç†ãŒãƒ–ãƒãƒƒã‚¯ã•ã‚Œã‚‹ã€‚ 戻り値を返ã™å‡¦ç†ãŒçµ‚了ã—ãŸã‚‰ã€æˆ»ã‚Šå€¤ã‚’å–å¾—ã—ã€å¾Œç¶šã®å‡¦ç†ã‚’è¡Œã†ã€‚ CompletableFutureã¯å‰æ®µã®å‡¦ç†ãŒçµ‚了ã—ãŸã‚‰è‡ªå‹•çš„ã«ãã®çµæžœã‚’次ã®å‡¦ç†ã‚’渡ã—ã¦å®Ÿè¡Œã™ã‚‹ã‚ˆã†ã«ã§ãる。 CompletableFutureã¯æˆ»ã‚Šå€¤ã®ã‚ã‚‹éžåŒæœŸå‡¦ç†ã‚’supplyAsyncメソッドã§èµ·å‹•ã™ã‚‹ã€‚ import java.util.concurrent.CompletableFuture; import java.util.concurrent.ExecutorService; import java.util.c
マルãƒã‚¹ãƒ¬ãƒƒãƒ‰ :: ã‚„ã‚Šç›´ã—Java
CompletableFutureåˆå¿ƒè€…用説明｜ã¨ã‚るプãƒã‚°ãƒ©ãƒžãƒ¼ã®å¥®é—˜ã‚¹ãƒˆãƒ¼ãƒªãƒ¼
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