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< Ace Coding /> 🚀
337 subscribers
< Ace Coding /> 🚀
How do you invoke the Java compiler?
Anonymous Quiz
11%
a) java filename.java
70%
b) javac filename.java
11%
c) compile filename.java
7%
d) run filename.java
44 voters138 views
< Ace Coding /> 🚀
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
44 voters143 views
< Ace Coding /> 🚀
How to run a compiled file in java
Anonymous Quiz
37%
javac fileName.java
24%
java fileName.java
15%
javac fileName
24%
java fileName
119 voters889 views
< Ace Coding /> 🚀
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
40 voters149 views
< Ace Coding /> 🚀
______ 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
41 voters135 views
< Ace Coding /> 🚀
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
40 voters135 views
< Ace Coding /> 🚀
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
38 voters137 views
< Ace Coding /> 🚀
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
38 voters137 views
< Ace Coding /> 🚀
Note:
Java programs are compiled into bytecode and then interpreted or compiled using Just-In-Time (JIT) compilation at runtime.

@AceCoding
147 views
< Ace Coding /> 🚀
Which is a valid class name?
Anonymous Quiz
28%
a) Car
3%
b) 123Car
5%
c) $Car
65%
d) a and c
40 voters136 views
< Ace Coding /> 🚀
Which of these is NOT a keyword in Java?
Anonymous Quiz
0%
a) static
5%
b) abstract
54%
c) include
41%
d) transient
41 voters139 views
< Ace Coding /> 🚀
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
38 voters145 views
< Ace Coding /> 🚀
How many methods are defined in the String class?
Anonymous Quiz
22%
a) 20
20%
b) 30
54%
c) 50
5%
d) 60
41 voters145 views
< Ace Coding /> 🚀
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
35 voters145 views
< Ace Coding /> 🚀
What does substring(2, 5) do?
Anonymous Quiz
81%
a) Extracts the substring from index 2 to 5 (exclusive)
14%
b) Extracts the substring from index 2 to 5 (inclusive)
3%
c) Throws an error if the index exceeds the string length
3%
d) None of the above
37 voters141 views
< Ace Coding /> 🚀
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
37 voters149 views
< Ace Coding /> 🚀
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
36 voters138 views
< Ace Coding /> 🚀
Java_Exam_Preparation.pdf
4.9 KB
OOP_Advanced_Questions_and_Answers.pdf
3.6 KB
OOP_Questions_and_Answers.pdf
3.1 KB
✅ OOP 2024 Mid Exam prep

🟢 Chapter 1 and 2

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< Ace Coding /> 🚀
Forwarded from < Ace Coding /> 🚀
Mosh-cheat-sheets.zip
7.1 MB
🚀 Cheat Sheets by Mosh 🚀

Quick reference for Java, Python, SQL, and Git! 📚

☕️ Java Cheat Sheet
🐍 Python Cheat Sheet
📊 SQL Cheat Sheet
💻 Git Cheat Sheet

Stay tuned for more! 🔥
🌟🚀 @AceCoding Presents! 🚀🌟

#Java #Python #SQL #Git #CheatSheet
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