Starting out with Java Exam 1 (ch. 1 - 4) 100% Accurate!!
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Course
Java
Institution
Java
0.0 - ANSWERWhat would be the value of discountRate after the following statements are executed?
double discountRate = 0.00;
int purchase = 100;
if( purchase > 1000 )
discountRate = .05;
else if ( purchase > 750 )
discountRate = .03;
else if ( purchase > 500 )
discountRate = ....
Starting out with Java Exam 1 (ch. 1 - 4) 100%
Accurate!!
0.0 - ANSWERWhat would be the value of discountRate after the following statements are executed?
double discountRate = 0.00;
int purchase = 100;
if( purchase > 1000 )
discountRate = .05;
else if ( purchase > 750 )
discountRate = .03;
else if ( purchase > 500 )
discountRate = .01;
.01
.05
0.0
.03
Read and interpreted by the JVM - ANSWERByte code instructions are:
Syntax errors
Another name for source code
Machine code instructions
Read and interpreted by the JVM
Correct A logical error - ANSWERA runtime error is usually the result of:
A compilation error
Bad data
A logical error
A syntax error
,All of these - ANSWERWhich of the following professions use the computer as a tool?
Accountants
Engineers
Mechanics
Nurses
All of these
A set of instructions that enable the computer to solve a problem or perform a task - ANSWERA
computer program is:
A. Main memory
B. Pseudocode
C. A flow chart
D. A set of instructions that enable the computer to solve a problem or perform a task
Words that have a special meaning in the programming language - ANSWERKey words are:
A. The data names in your program
B. Words that have a special meaning in the programming language
C. Symbols or words that perform operations on one or more operands
D. Words or names defined by the programmer
True - ANSWERApplication software refers to programs that make the computer useful to the user.
True
False
*/ comment 3 / - ANSWERWhich of the following is NOT a valid comment statement?
/** comment 4 */
/* comment 2 */
// comment 1
*/ comment 3 /
, The memory address where "John Doe" is located - ANSWERIn the following Java statement what
value is stored in the variable name?
String name = "John Doe";
John Doe
The memory address where "John Doe" is located
name
The memory address where name is located
Double.ParseDouble - ANSWERWhich one of the following methods would you use to convert a
string to a double?
Long.ParseLong
Integer.ParseInt
Byte.ParseByte
Double.ParseDouble
Make sure you are in the same directory or folder where MyClass.java is located - ANSWERSuppose
you are at an operating system command line, and you are going to use the following command to
compile a program:
javac MyClass.java
Before entering the command, you must:
A. Execute the java.sun.com program
B. Save the program with the .comp extension
C. Make sure you are in the same directory or folder where MyClass.java is located
D. Close all other Windows on your computer system
Procedure - ANSWERThis is a set of programming language statements that, together, perform a
specific task.
Procedure
Compiler
Pseudocode
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