Shelly Cashman Series Microsoft Office 365 & Office 2019 Introductory notes

Section 2.2 Your First Program in Java: Printing a Line of Text 2.2 Q1: End-of-line comments that should be ignored by the compiler are denoted using a. Two forward slashes (//). b. Three forward slashes (///). c. A slash and a star (/*). d. A slash and two stars (/**). ANS: a. Two forward slashes (//). 2.2 Q2: Which of the following is not a valid Java identifier? a. my Value b. $_AAA1 c. width d. m_x ANS: a. my Value (Identifiers may not contain blanks). 2.2 Q3: Which of the follo...

1. Which is true? A. "X extends Y" is correct if and only if X is a class and Y is an interface B. "X extends Y" is correct if and only if X is an interface and Y is a class C. "X extends Y" is correct if X and Y are either both classes or both interfaces D. "X extends Y" is correct for all combinations of X and Y being classes and/or interfaces 2. Which of the following is true? 1 A class can extend more than one class. 2. A class can extend only one class but many interfaces. 3...

Section 2.2 Your First Program in Java: Printing a Line of Text 2.2 Q1: End-of-line comments that should be ignored by the compiler are denoted using a. Two forward slashes (//). b. Three forward slashes (///). c. A slash and a star (/*). d. A slash and two stars (/**). ANS: a. Two forward slashes (//). 2.2 Q2: Which of the following is not a valid Java identifier? a. my Value b. $_AAA1 c. width d. m_x ANS: a. my Value (Identifiers may not contain blanks). 2.2 Q3: Which of the follo...

1. Which is true? A. "X extends Y" is correct if and only if X is a class and Y is an interface B. "X extends Y" is correct if and only if X is an interface and Y is a class C. "X extends Y" is correct if X and Y are either both classes or both interfaces D. "X extends Y" is correct for all combinations of X and Y being classes and/or interfaces 2. Which of the following is true? 1 A class can extend more than one class. 2. A class can extend only one class but many interfaces. 3...