Problets Available for Introductory Programming

• The first Problet that you try may take a few moments to load depending on your network access speed.
• The following links point to demonstration versions of the Problets, with each problet limited to a select few problems. They are not meant for "student consumption."
• Systems: Problets will run on any Java-enabled computer. They are signed with a professional certificate, so they will run even at the highest level of security settings for Java. They can be accessed from any browser.
• Please install Java version 1.8 or Java 8 available here to run Problets.
• The problets are free for educational use.

Expression Evaluation:

• Description: Students are asked to solve expressions step by step. The problet provides text and graphic feedback to the student.
• Available for:

  Topic	Language				Help Manual		Learning Objectives
  Arithmetic Expressions
  Relational Expressions
  Logical Expressions
  Assignment Expressions
  Bitwise Expressions

Selection Statements:

• Description: Students are asked to identify errors in the program, if any. If the program has no errors, students are asked to predict the output of the program, if any. The problet explains the step-by-step execution of the program.
• Available for:

  Topic	Language				Learning Objectives
  if/if-else
  switch
  Help Manual

Loops:

• Description: Students are asked to predict the output of a program that includes while loops. The problet explains the step-by-step execution of the program.
• Available for:

  Topic	Language				Learning Objectives
  while loops
  for loops
  do-while loops
  Help Manual

• Advanced Loop Concepts:

  Topic	Language			Learning Objectives
  break, continue, infinite loops
  Help Manual

Functions

• Description: Students are asked to predict the behavior, i.e., output of a program, or debug a program that includes functions. The problet explains the step-by-step execution of the program.
• Available for:

  Topic	Language			Learning Objectives
  Tracing functions
  Help Manual

• Available for:

  Topic	Language			Learning Objectives
  Debugging functions
  Help Manual

• Available for:

  Topic	Language			Learning Objectives
  Recursive functions
  Help Manual

Arrays (1-Dimensional)

• Description: Students are asked to identify changes to an array after execution of code, debug the code or predict the output of a program that contains arrays. The problet explains the step-by-step execution of the correct program.
• Available for:

  Topic	Language			Learning Objectives
  1-Dimensional
  Help Manual

Object-Oriented Programming

• Description: Students are asked to trace or debug a program that contains classes and objects. The problet explains the step-by-step execution of the program.
• Available for:

  Topic	Language			Learning Objectives
  Access restrictions
  Help Manual