Syntax is: Symbols or words that perform operations Rules that must be followed

Question

Syntax is: Symbols or words that perform operations Rules that must be followed when writing a program Punctuation Words that have a special meaning in the programming language These are used to indicate the end of a Java statement. Periods Colons Asterisks Semicolons In Java, must be declared before they can be used. literals key words variables comments When the + operator is used with strings, it is known as the: Combined assignment operator Assignment operator Addition operator String concatenation operator A class's responsibilities include: the things a class is responsible for knowing the things a class is responsible for doing both A and B neither A nor B Which of the following is NOT a rule that must be followed when naming identifiers? Identifiers can contain spaces. Uppercase and lowercase characters are distinct. After the first character, you may use the letters a-z, A-Z, the underscore, a dollar sign, or digits 0-9. The first character must be one of the letters a-z, A-Z, and underscore or a dollar sign. This type of method performs a task and sends a value back to the code that called it. void complex local value-returning Which of the following statements will create a reference, str, to the string, "Hello, world"? String str = new String("Hello, world"); String str = "Hello, world"; 1 2 1 and 2 neither 1 or 2 What is the result of the following expression? 10 + 5 * 3 - 20 -50 25 -5 5 Which of the following is NOT a primitive data type? float String short long

Explanation / Answer

Please follow the data and description :

1)

Syntax : the arrangement of words and phrases to create well-formed sentences in a language.

So the answer is OPTION C (Rules that must be followed when writing a program.).

2)

In java semicolons indicate that they are the end of the statements.

So teh answer is OPTION D (Semicolons).

3)

A variables in java needs to be declared before they are used.

So the answer is OPTION C (variables).

4)

The '+' operator when used indicates that they are the concatenation operator when used with the strings.

So teh answer is OPTION D (String Concatenation Operator).

5)

A class is responsible to perform and know the data. So the answer is OPTION C (both a and b).

6)

Identifiers can contain spaces is not a rule. So the answer is OPTION A (Identifiers can contain spaces).

7)

A value returning function is used to return the data after performing the operations. So the answer is OPTION D (value-returning).

8)

For the given code both the line create a reference. So the answer is OPTION C (1 and 2).

9)

Result of the following expression 10 + 5 * 3 - 20 = -5.

So the answer is OPTION C (-5).

10)

short is not a primitive datatype. So the answer is OPTION C (short).

Hope this is helpful.

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