Answer:
The memory with variable names str1, str2, and str3 all have equal and the same value after the first if-statement.
Explanation:
The str1 was first assigned a null value while the str2 and str3 were assigned the string value "Karen" with the String class and directly respectively. On the first if-statement, the condition checks if the str1 is null and assigns the value of the variable str2 to str1, then the other conditional statement compares the values of all the string variables.
Answer: civil engineer
Explanation:
Based on the information given, the type of engineer that would be identified as essential to the success of the project would be the civil engineer.
Civil engineers are the engineers that are in charge of the planning and overseeing building and infrastructure construction. They plan and monitor constructions involving bridges, road, houses, power plants etc.