What is the difference between a Java application and a Java applet?
Anonymous Quiz
78%
a) An application runs on the JVM, and an applet requires a browser
8%
b) An application is compiled, but an applet is interpreted
10%
c) An application is platform-specific, and an applet is platform-independent
5%
d) There is no difference
What are the 5 phases of a Java program?
Anonymous Quiz
9%
a) Write, Run, Debug, Test, Deploy
63%
b) Edit, Compile, Load, Verify, Execute
14%
c) Code, Compile, Debug, Build, Deploy
14%
d) Compile, Interpret, Load, Verify, Execute
Which type of error occurs when a program runs but produces incorrect results?
Anonymous Quiz
9%
a) Compile-time error
25%
b) Runtime error
59%
c) Logical error
7%
d) Syntax error
Java has a runtime ______ feature to provide programming support for robustness.
Anonymous Quiz
18%
a) Type checking
8%
b) Error reporting
20%
c) Debugging
55%
d) Exception handling
______ is a measure of how well a program runs under various conditions.
Anonymous Quiz
0%
a) Secure
68%
b) Robust
15%
c) Reliable
17%
d) Scalable
What does it mean that Java is distributed?
Anonymous Quiz
5%
a) Java supports cloud storage
33%
b) Java programs can be deployed on multiple devices
55%
c) Java applications can open and access objects across the net via URLs
8%
d) Java uses distributed memory
How are Java programs processed?
Anonymous Quiz
87%
a) Compiled and interpreted
3%
b) Interpreted and compiled
8%
c) Compiled only
3%
d) Interpreted only
What are the naming conventions for classes and methods in Java?
Anonymous Quiz
58%
a) PascalCase for classes and camelCase for methods
26%
b) camelCase for classes and PascalCase for methods
8%
c) Both PascalCase
8%
d) Both camelCase
Note:
Java programs are compiled into bytecode and then interpreted or compiled using Just-In-Time (JIT) compilation at runtime.
@AceCoding
Java programs are compiled into bytecode and then interpreted or compiled using Just-In-Time (JIT) compilation at runtime.
@AceCoding
Which of these is NOT a keyword in Java?
Anonymous Quiz
0%
a) static
5%
b) abstract
54%
c) include
41%
d) transient
Why do we write String with an uppercase S?
Anonymous Quiz
26%
a) It is a convention for data types in Java
63%
b) It is a class in Java, not a primitive type
3%
c) To make it case-sensitive
8%
d) To differentiate it from arrays
How many methods are defined in the String class?
Anonymous Quiz
22%
a) 20
20%
b) 30
54%
c) 50
5%
d) 60
Why don’t we need to create new objects for strings if they are reference types?
Anonymous Quiz
3%
a) Strings are not reference types
26%
b) Strings are non-primitives
23%
c) Strings are dynamically allocated
49%
d) Strings are immutable and stored in a String pool
What is the correct output of System.out.println((10 + 3) , \" Hello\");?
Anonymous Quiz
19%
a) 13 Hello
3%
b) 10 3 Hello
0%
10 + 3 Hello
0%
c) 10 + 3 Hello
78%
d) Error
What is the correct output of System.out.println(10 + 3 + " Hello");?
Anonymous Quiz
58%
a) 13 Hello
19%
b) 10 3 Hello
3%
c) 10 + 3 Hello
19%
d) Error