Chapter 3 Notes

Chapter 3 Notes - Chapter 3 Questions and Answers Which of...

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Chapter 3: Questions and Answers Which of the following is NOT a primitive data type in Java: o STRING In Java the largest inter. Number that can be used is 32,767. o FALSE Which keyword in Java declares an identifier whose value cannot change while the program is running? o FINAL In the statement x,y,z; What does the x represent? o The name of the overall package. Both the value of a variable and the type of data it contains can change during execution of a program. o FALSE What is the set of all the words and symbols in java? o VOCABULARY Which type of error occurs when an instruction tries to divide by zero? o RUN TIME ERROR To use a method successfully, which of the following do we NOT need to know? o Details of how it accomplishes it What is the string concatenation operator? o + Which string class method returns a string’s length?
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Unformatted text preview: o Length() • When compared to natural languages, programming languages have larger vocabularies. o FALSE • Inserting debugging statements into code is a useful way to find syntax errors. o FALSE • Which of the following is the escape sequence for a new line? o \n • To manipulate an object in Java, a program will send it a message. o TRUE • When using all constants, what style is the program? o ALL CAPS • In an assignment statement, whatever is on the left side is assigned to the right side. o FALSE • User defined symbols are case sensitive in Java. o TRUE • Which of the following is an invalid name: o 9 innings • The division statement of 10/4 will be evaluated to 2. o TRUE • Which of the following mixed mode arithmetic expressions yields 8.0? o 5/2 *4.0...
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  • Fall '10
  • Clausen
  • Primitive data type, string concatenation operator, string class method

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