Java Foundations 試験対策問題集

模擬試験モードの設定

上記は本サイトの模擬試験モードの設定値です。実際の試験の出題数・制限時間・合格基準は、各認定プログラムの公式サイトでご確認ください。

出題分野

• What Is Java? and Java Basics（Java とは何か・基礎）（出題比率 10%）
• Java Methods（メソッド）（出題比率 7%）
• Basic Java Elements（Java の基本要素）（出題比率 10%）
• Working with Java Data Types and the String Class（データ型と文字列）（出題比率 10%）
• Working with Java Operator（演算子の利用）（出題比率 13%）
• Using Decision Statements（分岐の文）（出題比率 7%）
• Using Looping Statements（繰り返しの文）（出題比率 13%）
• Debugging and Exception Handling（デバッグと例外処理）（出題比率 7%）
• Arrays, ArrayLists, and the Random and Math Classes（配列と部品）（出題比率 10%）
• Classes and Constructors（クラスとコンストラクタ）（出題比率 13%）

フリー問題

1. A single class must be started directly by the launcher from the command line. H…
2. A compiled class file is copied to a machine that runs a different operating sys…
3. A class keeps a field private and lets other classes read its value through a me…
4. A team agrees on the usual naming style for Java source code. Which style does t…
5. A class uses a type that lives in another package, and the programmer adds an im…
6. A method declares an int local variable, gives it no value, and then prints it. …
7. A local variable is declared with the final modifier and is given a value once. …
8. A byte variable is updated with the compound addition operator and an int operan…
9. A program must pick one of two values inside a single assignment, based on one b…
10. Two int variables are divided with the division operator, and the exact quotient…
11. A switch statement selects on an int variable, and the code for the matching cas…
12. A loop must stop as soon as a matching element is found, and the statements writ…
13. A program must repeat an action a number of times that is already known before t…
14. A program walks over an int array with the enhanced for statement and assigns a …
15. A program compiles, runs to the end, and prints a total that is larger than the …
16. A program must create an int array and fill it with three known values in one de…
17. A program must visit every element of an ArrayList in order and must not use any…
18. One constructor of a class must run the work of another constructor of the same …
19. A constructor receives a parameter whose name is the same as a field name. How d…
20. A static method of a class tries to read an instance field of the same class wit…