関連ワード:  terminal operator in java 8    terminal operations in java 8 streams    terminal operations in java 8 example    reduce terminal operations in java 8    non terminal operations in java 8    intermediate and terminal operations in java 8    intermediate vs terminal operations in java 8    intermediate and terminal operations in java 8 streams    intermediate and terminal operations in java 8 geeksforgeeks    intermediate and terminal operations in java 8 javatpoint