CSCI 1301 Exam 1 Questions 100% Solved.
Java does not directly compile into machine code. What does it do instead? - answerJava
programs are compiled into bytecode
What is needed to run a Java byte code program on a given computer? - answerA suitable Java
virtual machine, JVM, must be installed...
Which type of error (Syntax, Runtime, Logical) is the easiest to fix? - answer✔Syntax because
the Java program won't run due to syntactical errors
Which type of error is the hardest to fix? - answer✔Logical because the Java program will run as
if nothing is wrong but the output will not be desired
How many different numbers can be represented with a 4-bit number? - answer✔16
How many different numbers can be represented with a 4-byte number? - answer✔2^32 or
4294967296
List the 8 primitive data types used in Java. - answer✔Byte, short, int, long, float, double, char,
and boolean
How many bytes are used to store a boolean value? - answer✔1 byte
How many bytes are used to store a byte value? - answer✔1 byte
How many bytes are used to store a short value? - answer✔2 bytes
How many bytes are used to store a char value? - answer✔2 bytes
How many bytes are used to store a int value? - answer✔4 bytes
How many bytes are used to store a float value? - answer✔4 bytes
How many bytes are used to store a long value? - answer✔8 bytes
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