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Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> This quiz shows how you can initialize instance variables using constructors. It clearifies
also the usage of the keyword -
Blog postI receive many requests from students and followers to get my book for free. I have from time to time an opportunity to offer it free for a few days and that is exactly what I did. The workbook Java quizmaster for beginners (The answer of the assignments) is free of charge from tomorrow August […]Java quizmaster voor beginners Info & discussie Titel: Java Quizmaster voor beginners Subtitel: Leer,…Java quizmaster for beginners About this book The main book This book is organized…The boo
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Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >>
Java quiz 37: Handling three object references Level: Normal
What is the output of the following code? < -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> This is a simple conditional statement using a boolean variable.
Java quiz 36: Conditional statement with boolean Level -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> Here below is an easy conditional statement’s quiz.
Java quiz 35: Easy conditional statements Level: Easy
What ha -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> This quiz demonstrates a simple Java switch statement for beginner.
Java quiz 34: A simple switch statement Level: Easy -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> This Java quiz demonstrates the difference between conditional operator || with the bitwise operator |. To understand the diffe -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> In this two dimensional array we try to write one of the elements to the standard output.
Java quiz 32: Two dimensional -
Blog postI would like to share with you the animation of my book, which explains a little bit the content of the book. I hope that you guys like it.The work book Java quizmaster is free on Amazon! I have already offered the main book Java quizmaster for…My book is free of charge for 5 days! Hello guys, I have got many messages from students and…The book Java quizmaster is free on Amazon! For people who want to have my book Java quizmaster…
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Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> Java quiz 31: Demonstration of arrays This Java quiz demonstrates some idea’s of arrays.
Level: Normal
What will -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> Try to use the following principle to solve this puzzle!
When there is no references pointing to an object, that object can be eligible for garbage collection.
Java puzzle 30: Simple garbage collection Level: Normal
Question: After -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> This Java puzzle demonstrates a combination of branching statements.
Java puzzle 29: Loops and branching statements Level: Normal
What is the output of the following code?
public class MyClass { static int x; public static void main(S -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> If the following code is compiled and run, it writes [Orange, Apple, Mango, Cherry] to the standard output. By adding cherry to the fruit’s list, it’s clear that the class TestFruit is able to modify the fruit’s list. How can we improve the encapsulation -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> The output of this program is 3200.0, 1199.0. Write only one statement at line 8.
As a result of your statement, the output of this code will be 3100.0, 1350.0
What is that statement?
Java puzzle 27: Implementing interfaces and casting -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> Have you ever though which block, constructor or statement is called first when you compile and run your code? This quiz demons -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> Java Quiz 29: Working with objects and references Level: Normal
What is the output of the following code?
public c -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38
By title >> Java quiz 28: Object values as parameters Level: Normal
What is the output of the following code?
public class MyC -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
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By title >> Java quiz 27: Multiple variables in a loop Level: Normal
What is the output of the following code?
public class My -
Blog post<< Java Quizzes Green = Easy, Blue = Normal, Red = Hard
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By title >> The following example shows different kind of unary operators.
Java quiz 26: How unary operators work? Level: Normal -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> This code demonstrates invoking a method within another method.
Java puzzle 26: Invoking a method within a method Level: Normal
What is the output of this program and why?
public class MyClass { int x = 2; int y = 5; void myMethod(int -
Blog post<< Java Puzzles Green = Easy, Blue = Normal, Red = Hard
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By title >> Questions:
1. What is the output of the following code?
2. What is the output if you replace the return; statement with the break; statement?
3. What is the output if you replace the return; statement with the continue; statement?
Ja -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date Annotations are introduced in Java 5 to provide a mechanism that allows you to write info about your code directly in the code. You can use annotations within packages, classes, methods, variables and parameters.
A -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date The generics is introduced in Java 5 to provide a type-safety at compile time and to avoid the ClassCastException at runtime. By using generics for example you can prevent adding an Integer to a Java collection of Strings. < -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date The enum type is a new feature in Java 5. Whenever you have a fixed set of constants you can use the enum type. An example is the seasons of
the year, the days of the week and the planets of the solar system. We use th -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date The Conversion between the primitive data types and their corresponding object wrappers directly is a new feature in Java 5. The conversion from primitive data types to their object wrappers is called autoboxing, but convert -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date To access a static member in earlier Java versions we needed to write the class name first followd by the name of the static member. For example to access the static method max of the class Math, we wrote the statement as fo -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date Varargs allows you to avoid writing a method several times for multiple arguments. Before this feature, the solution was overloading methods. If the number of the arguments is unknown, you can use Varargs as shown in the exe -
Blog postJava 5 features
Enhanced for Loop | Varargs | Static import | Autoboxing and unboxing | Enum types | Generics | Annotations | By date Enhanced for loops is introduced in Java 5. This feature allows you to handle loops in a simple. In the example below we compare the new for loop with the older one! For more info click here to read Oracle’s explan -
Blog postJava 7 features
Binary literals | Strings in switch statements | Catching multiple exceptions | Try with resources | Type inference | Underscores in numeric literals | By date The underscores in numeric literals is included in JSE7. You can use the underscore character between digits in a numerical literals similar to a comma or a space as a separater. This feature is used -
Blog postJava 7 features
Binary literals | Strings in switch statements | Catching multiple exceptions | Try with resources | Type inference | Underscores in numeric literals | By date Type inference is included in JSE7. As long as the compiler can infer the arguments type from the context, you can use an empty set of parameters type <>. We call this pair of angle brackets th
Books By Sar Maroof
Java Quizmaster for Beginners: Learn Java in 17 days and master Java code by solving 105 quizzes and 117 assignments
Aug 30, 2017
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Sar Maroof
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by
Sar Maroof
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$6.80
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