Introduction & Core Concepts

40 lessons in Java

• Missing Narrowing CastCode Quiz
• Comment SyntaxCode Quiz
• Printing a LineCode Quiz
• Char Literal QuotesCode Quiz
• Compound Assignment TypoCode Quiz
• Invalid IdentifierCode Quiz
• Scanner Import MissingCode Quiz
• Comparison vs AssignmentCode Quiz
• Running a Compiled ClassCode Quiz
• Using an Uninitialized VariableCode Quiz
• Integer Division SurpriseCode Quiz
• Main Method SignatureCode Quiz
• Reassigning a final VariableCode Quiz
• String Concatenation OrderCode Quiz
• Types of Java CommentsQuiz
• Java Editions OverviewQuiz
• The main Method SignatureQuiz
• Case Sensitivity in JavaQuiz
• Java Bytecode & CompilationQuiz
• Compiling and Running JavaQuiz
• Java Naming ConventionsQuiz
• JDK vs JRE vs JVMQuiz
• print vs printlnQuiz
• Write Once, Run AnywhereQuiz
• Key Features of JavaQuiz
• The Origins of JavaQuiz
• Write Once, Run AnywhereFlashcard
• Case Sensitivity and NamingFlashcard
• Printing OutputFlashcard
• What Is Java?Flashcard
• Statically-Typed LanguageFlashcard
• Java BytecodeFlashcard
• The Java Virtual MachineFlashcard
• JDK vs JRE vs JVMFlashcard
• Compiling and Running JavaFlashcard
• Basic Program StructureFlashcard
• Key Features of JavaFlashcard
• Java CommentsFlashcard
• The main Method SignatureFlashcard
• Garbage CollectionFlashcard