Answer:
When searching for articles using library databases, the following tips should increase the relevance of your results. Quotation marks around two or more keywords - phrase searching - ensures that the results will include the exact phrase.
Explanation:
Sorry to answer you so late but that would be truth because that is the first rule of science which is what thermodynamics depends in.
The first law of thermodynamics is a type of law of conservation but with thermodynamics systems.
So, in gogle I found this: "The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but cannot be created or destroyed."
Like I said, sorry to reply so late but I hope this helped! =)
Answer:
1.ClassName and . operator
2. ClassName and [] operator
Explanation:
There are two ways to get the members of a class first one is by using dot(.) operator.
Example : with assumption that person is a class object and age is the member in it we can use it as:
person.age
Second way is to use [] operator with member as a string in it which is used by the compiler as key to get its value.
Example : person["age"]