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Questions tagged [java]

Questions about instruction specific to the programming language Java. Use this tag only when the language used would affect the question significantly (if your question uses Java as an example, but does not focus on the language itself, you need not use the tag).

17
votes
9answers
2k views

The order of subjects in beginner's curriculum

This year I'll be an unofficial teacher assistant in the CS class of 9th graders. Background This question is about a curriculum for introducing students to programming in java. The students are ...
4
votes
4answers
608 views

Lambda expressions exercises and practice

While lambda expressions in java 8 are really cool in action, the school curriculum offers no exercises in this. So essentially, students never actually learn how to use lambda expressions and the ...
7
votes
3answers
404 views

Command-line Java in AP CS A

Context: Over the past school year I spent a significant portion of my time preparing to teach AP CS A next year. From choosing textbooks to writing the College Board syllabus, I essentially started ...
4
votes
2answers
233 views

Introducing the MVC pattern along with JavaFX

This year I am planning to shift from teaching Swing for graphics, to teaching JavaFX. As JavaFX ideally uses the MVC design pattern, I thought it would help students understand how to use JavaFX if ...
30
votes
11answers
8k views

How can we teach good naming practice for students learning Java?

In writing software we name things. In Java we name classes, interfaces, methods, variables, etc. How can we teach both the importance and the skill of choosing good names? What teaching practices ...
19
votes
7answers
2k views

What autograding software do folks use for Java code?

Grading currently either takes me a huge amount of time, or gets done in an extremely cursory way. It occurs to me that, if my students were able to submit code into some sort of autotester, they ...
11
votes
3answers
355 views

Do Python and Java lead students to construct different mental models of memory?

How are novices' mental models of variable storage affected by programming language choices? Most Intro to CS teachers (I think) do not delve with breadth and depth into details of how variable names ...
13
votes
4answers
478 views

The impact of switching to Java 10

Java 9 and 10 were both released recently -- Java 9 was released on Sep. 21st, 2017 and Java 10 was released on Mar. 21st 2018. These two releases contain some very big changes: Java becomes modular ...
4
votes
7answers
162 views

Mental Model of Type Conformance/Subtype Polymorphism

I'm finding that my CS2 students really struggle with the notions of type conformance and subtype polymorphism in Java. Say we have the following: ...
7
votes
7answers
623 views

Explaining how an Interface is a contract

When teaching Interfaces (in Java, for example), it is common to describe them as a contract. Which means that if a class implements an interface, it has to use the methods in the interface. As an ...
5
votes
3answers
278 views

Teaching C++ to students that know Java

I am now teaching an OOP course to 2nd year undergrads. This is actually a course in advanced programming in Java. In the next semester, I am going to teach the same students, a C++ course. From what ...
5
votes
3answers
366 views

Lesson plan for teaching java graphics

Background: This lesson should give a firm foundation for graphics in Swing in java to students in high school who know OOP in java (...
4
votes
2answers
74 views

Teaching coding paradigms and concepts with specific context

Teaching programming is a great part of mentoring FRC (FIRST Robotics Competition) teams. For teaching how to program a robot (Specifically, a RoboRIO), I first (unintended pun: FIRST) need to teach ...