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Java Programming - Exam 1 Study Guide Questions and Answers Latest Version Rated A+

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Java Programming - Exam 1 Study Guide Questions and Answers Latest Version Rated A+ What will be the output of `Sln(2 + 3 * 4);`? A. 20 B. 14 C. 24 D. Compilation error Which keyword is used to define a constant variable in Java? A. static B. var C. final D. const What is the result of `Sln(9 / 2);`? A. 4.5 B. 4 2 C. 5 D. Compilation error Which of the following is NOT a valid loop in Java? A. for B. while C. repeat D. do-while What is the default value of an integer instance variable? A. 0 B. null C. undefined D. garbage value What will `Sln(15 % 4);` print? A. 4 B. 3 3

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Java Programming - Exam 1 Study
Guide Questions and Answers Latest
Version Rated A+
What will be the output of `System.out.println(2 + 3 * 4);`?

A. 20


✔✔B. 14


C. 24

D. Compilation error




Which keyword is used to define a constant variable in Java?

A. static

B. var


✔✔C. final


D. const




What is the result of `System.out.println();`?

A. 4.5


✔✔B. 4


1

,C. 5

D. Compilation error




Which of the following is NOT a valid loop in Java?

A. for

B. while


✔✔C. repeat


D. do-while




What is the default value of an integer instance variable?


✔✔A. 0


B. null

C. undefined

D. garbage value




What will `System.out.println(15 % 4);` print?

A. 4


✔✔B. 3


2

,C. 1

D. 0




Which operator is used for concatenation in Java?

A. -

B. *

C. /


✔✔D. +




What does `System.out.println("Java".length());` print?

A. 5


✔✔B. 4


C. 3

D. Compilation error




What is the superclass of all Java classes?

A. String

B. ObjectClass


3

, ✔✔C. Object


D. ParentClass




Which collection class allows duplicate elements?


✔✔A. ArrayList


B. HashSet

C. TreeSet

D. EnumSet




Which of the following is NOT a primitive data type?


✔✔A. String


B. boolean

C. int

D. char




What will `System.out.println(4 + 5 + "Java");` print?

A. 9


✔✔B. 9Java


4

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