APCSA U2

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Across
  1. 3. gives the value that is currently assigned to an instance variable
  2. 8. defining two or more constructors or methods with the same name but different signatures
  3. 10. the value to be passed to a constructor or method
  4. 13. starts with a \ to indicate how to display a String
  5. 16. the value to assign to the formal parameter
  6. 17. a basic data type that Java predefines
  7. 20. a software development principle that stands for "Don't Repeat Yourself" which aims to reduce repetition in code
  8. 21. when two Strings are joined together
  9. 24. a library of prewritten classes
  10. 25. to define a method in a subclass with the same method signature as a method inherited from a superclass
  11. 27. a variable declared and accessible within a specific block of code
  12. 28. the data that is operated on
  13. 31. changes the value assigned to an instance variable
  14. 33. an operator used to compare values or expressions
  15. 35. a logical statement that gives either a true or false value
  16. 36. a constructor that has a specific number of arguments to be passed to assign values to an object's instance variables
Down
  1. 1. to improve the readability, reusability, or structure of program code without altering its functionality
  2. 2. a variable defined in a class that represents an attribute of an object
  3. 4. copying the value of the actual parameter to the constructor's formal parameter
  4. 5. an object-oriented programming concept where the instance variables of a class are hidden from other classes and can be accessed only through the methods of the class
  5. 6. the attributes of an object that are represented by its instance variables
  6. 7. a data type that contains a pointer to the memory location of an object
  7. 9. a predefined value that is used by a program when the user does not provide a value
  8. 11. a keyword used to set the visibility of classes, variables, constructors, and methods
  9. 12. where a variable can be used
  10. 14. a copy of the value is given to where the method is called
  11. 15. a source code representation of a value, such as a number or text
  12. 18. giving a starting value to a variable using the assignment operator ( = )
  13. 19. shortcut syntax to perform an operation on both operands and assign the result into the variable on the left
  14. 22. a constructor with no parameters
  15. 23. a combination of data and operators that evaluates to a single value
  16. 26. a combination of expressions
  17. 29. to cut off data from the end
  18. 30. the first line of the constructor which includes the public keyword, the constructor name, and the values to specify when an object is created
  19. 32. a collection of methods or reusable components of code
  20. 34. using the assignment operator ( = ) to initialize or change the value stored in a variable