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This study guide prepares students for a Java programming final exam. It covers object-oriented programming, the Java Virtual Machine, IDEs, source code, byte code, and error types (compiler, logic, runtime, syntax). Definitions and explanations include variables, variable types, assignment operators, arithmetic expressions, casting, short-circuit evaluation, initialization, continue statements, robustness, sentinel-controlled loops, classes, objects, instantiation, methods, return types, aliasing, garbage collection, and control statements. It provides concise definitions of essential terms, making it a valuable resource for exam preparation and a comprehensive understanding of Java fundamentals.
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Java - CORRECT ANSWER ✅Object Oriented programming language Java Virtual Machine - CORRECT ANSWER ✅Allows a computer to run Java programs IDE - CORRECT ANSWER ✅Software Application that provides an interface for programmers to code in Source Code - CORRECT ANSWER ✅The physical code that programmers write into the IDE Byte Code - CORRECT ANSWER ✅The compiled version of a Java program Programming Language - CORRECT ANSWER ✅A formal language that specifies a set of instructions to produce the desired output Compiler Error - CORRECT ANSWER ✅Ex: int = "This is not an int";
Logic Error - CORRECT ANSWER ✅When a program does not do what the programmer expects it to do Runtime Error - CORRECT ANSWER ✅An error that occurs while the program is running Syntax Error - CORRECT ANSWER ✅Errors that prevent the program from running, like forgetting a semicolon, assigning a number to a variable that hasn't been declared, etc. Variable - CORRECT ANSWER ✅A container that holds values Variable Type - CORRECT ANSWER ✅byte, short, int, long, float, double, boolean, char Assignment Operator - CORRECT ANSWER ✅= Arithmetic Expression - CORRECT ANSWER ✅An expression that results in a numeric value Casting - CORRECT ANSWER ✅Taking an object of one type and turning it into another type
Instantiation - CORRECT ANSWER ✅The creation of a class Method - CORRECT ANSWER ✅Set of code that can be called anywhere in the program Return Type - CORRECT ANSWER ✅An item that constrains the type of data returned by a method or program Aliasing - CORRECT ANSWER ✅Aliasing means that there are multiple aliases or ways to get to a certain location Garbage Collection - CORRECT ANSWER ✅The process by which Java automatically reclaims old data for reuse Control Statement - CORRECT ANSWER ✅if, else, for, or while loops