関連ワード:  java 8 vs java 11 features    java 8 and java 11 features    java 8 vs java 11 differences    java 8 vs java 11 new features    java 8 and java 11 new features    java 8 vs java 11 vs java 17 features    difference between java 8 and java 11 features    java 8 vs java 11 vs java 17 vs java 21 features