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Beginning Java

No question too simple or small . . .

Howdy! This is your friendly forum for beginning Java. No question is too simple or too small!
(Posters with questions of any difficulty might consider the "Java in General" forum.)
Please check our Java Beginners FAQ!
We're all here to learn, so when responding to others, please focus on helping them discover their own solutions, instead of simply providing answers.

Best this year

Search with Like in Derby DB not working

9 replies

Is it advisable to use getters and setters in Java?

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I'm a freshman CS major and I was wondering if there was a better way to complete this assignment?

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return type of a method

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Beginning Java

Interview question doubt

42 replies

How to add all sub classes of a specific class to an array and then print them to the console?

20 replies 1

What are Anonymous objects exactly ?

58 replies

Passing objects by value instead of by reference (Java 16.0.1)

48 replies

sum13

39 replies 1

Java Beginner Challenge Problem

21 replies

Return a distinct & sorted Stream

51 replies 1

StringX challenge

39 replies 1

why this bubble sort only passed 1 test and failed the other ?

48 replies 3 1

Educator makes compelling case for beginners NOT starting in an IDE

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Permutation + comparison program

42 replies 1

Freshman CS student, I'm trying to do my practice task

30 replies 1

Create triangle of asterisks with StringBuilder in one loop

36 replies

java problem

16 replies 2

Invoke method from ternary operator

16 replies 1 1

Help me to approach this BigSort that must be done using List<String>

24 replies 1

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java problem

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Beginning Java

Extends a final class?

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Creating an array of existing objects.

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Beginner fail

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java-version problem

12 replies

How to I take user input from a Swing GUI and place it in an array in another class?

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Recursion Problem

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How can I write a GameCard class for a Valid Playing Cards Game

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oop program

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I stopped writing Java in 2014 after a stroke

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java -cp command line it doesn't find the file

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Overriding a method

4 replies

How can I count the numbers of valid dates in Java?

6 replies

Variable Scoping Question

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Illegal combination of private and abstract for methods

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local class: how can you access enclosing method's variable that has the same name as its field?

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Cannot make a static reference to the non-static method

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qualifying primary expression and qualified class

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Literal promotion

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Beginning Java Forum at JavaRanch

ArrayList with Integer and a String.

7 months ago 7 replies

Exception blank space

7 months ago 17 replies

how i can write the equation for this series?

7 months ago 11 replies

So very close to having this slot machine program work!

7 months ago 9 replies 1

When to use Try and Catch

7 months ago 18 replies

To print MAX and MIN line from a text file

7 months ago 8 replies

Creating class's

7 months ago 6 replies

Using Formatter + StringBuilder together

7 months ago 15 replies

can you help me with this code?

7 months ago 8 replies

Polymorphism with Switch statement based on Uml diagram

7 months ago 26 replies

How to practice core java concept deeply which website is best?

7 months ago 2 replies

One Class per file, or all classes in one file

7 months ago 4 replies

What is the variable's initial value?

7 months ago 22 replies 2

Rule: When you put two classes in the same file, at most one of the classes is allowed to be public

7 months ago 4 replies 1

How to read the data in excel with poi jar?

7 months ago 4 replies

Reading a file from disk

7 months ago 16 replies

What is the difference between using a variable directly and using a method that returns it?

7 months ago 5 replies

Java objects acting differently

7 months ago 6 replies

Manager method or...?

7 months ago 5 replies

How do I fix an "illegal start of expression" error?

7 months ago 9 replies

The method sort(Comparator<? super Employee>) in the type List<Employee> is not applicable

7 months ago 18 replies

Hundred Gertrude Slant pattern

7 months ago 5 replies 2

help with a java inheritance code

7 months ago 3 replies 1

File extends

7 months ago 3 replies

Nested Class Types usage summary anyone?

7 months ago 10 replies

Why the below code is not (Sort) the students objects depend on their Score?

7 months ago 7 replies

Is it correct to consider Java enum fields has objects?

7 months ago 11 replies

How do I turn String "28,5892.22" into Double?

7 months ago 9 replies

Java enum code structure

7 months ago 22 replies

Finding the maximum of an array without using a loop

7 months ago 20 replies

throw and throws

11 months ago 2 replies

extracting String characters using a for loop.

11 months ago 5 replies

Beginning Java

Need Assistance

1 year ago 7 replies

using do while?

4 years ago 32 replies 1 1

Bitwise operators in Java?

9 years ago 7 replies
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