Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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### Introduction to Java Programming - Milestone 1 #### UNIT 1 — MILESTONE 1 --- **Question 13** What type of operation is used to write to a file? - input - processing - development lifecycle - output **Options:** 1. □ 2. □ 3. □ 4. □ 5. □ 6. □ --- - **Mark this question** - (Check to mark the question for review) - **Save & Continue** - (Button to save the current progress and proceed to the next question) - **Report an issue with this question** - (Link to report any issues encountered with this question) #### Diagram Explanation: On the right side of the question, a sequence of numbered boxes (1 to 6) is present. These represent navigation between different questions or sections, with the ability to mark questions for review. --- **Note:** Ensure to choose the correct option before proceeding to the next question. In this case, the correct answer would be "output," as writing a file involves output operations in programming.
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Transcribed Image Text:### Introduction to Java Programming - Milestone 1 #### UNIT 1 — MILESTONE 1 --- **Question 13** What type of operation is used to write to a file? - input - processing - development lifecycle - output **Options:** 1. □ 2. □ 3. □ 4. □ 5. □ 6. □ --- - **Mark this question** - (Check to mark the question for review) - **Save & Continue** - (Button to save the current progress and proceed to the next question) - **Report an issue with this question** - (Link to report any issues encountered with this question) #### Diagram Explanation: On the right side of the question, a sequence of numbered boxes (1 to 6) is present. These represent navigation between different questions or sections, with the ability to mark questions for review. --- **Note:** Ensure to choose the correct option before proceeding to the next question. In this case, the correct answer would be "output," as writing a file involves output operations in programming.
### Introduction to Java Programming - Unit 1 Milestone 1 #### Question: Which of these programs would produce the output `goodwordgood`? ##### Option A: ```java String word = "good"; System.out.println(word + "word" + word); ``` ##### Option B: ```java String word = "good"; System.out.println(word + word + word); ``` ##### Option C: ```java String word = "good"; System.out.println("word" + "word" + "word"); ``` ##### Option D: ```java String word = "good"; System.out.println("word" + word + "word"); ``` --- #### Analysis: 1. **Option A**: - Code Explanation: ```java String word = "good"; System.out.println(word + "word" + word); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the value of `word`, the string `"word"`, and again the value of `word` and outputs it to the console. - Output: `goodwordgood` 2. **Option B**: - Code Explanation: ```java String word = "good"; System.out.println(word + word + word); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the value of `word` three times and outputs it to the console. - Output: `goodgoodgood` 3. **Option C**: - Code Explanation: ```java String word = "good"; System.out.println("word" + "word" + "word"); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the string `"word"` three times and outputs it to the console. - Output: `wordwordword` 4. **Option D**: - Code Explanation: ```java String word = "good"; System.out.println("word" + word + "word"); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the string `"word"`, the value of `word`, and the string `"word"`
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Transcribed Image Text:### Introduction to Java Programming - Unit 1 Milestone 1 #### Question: Which of these programs would produce the output `goodwordgood`? ##### Option A: ```java String word = "good"; System.out.println(word + "word" + word); ``` ##### Option B: ```java String word = "good"; System.out.println(word + word + word); ``` ##### Option C: ```java String word = "good"; System.out.println("word" + "word" + "word"); ``` ##### Option D: ```java String word = "good"; System.out.println("word" + word + "word"); ``` --- #### Analysis: 1. **Option A**: - Code Explanation: ```java String word = "good"; System.out.println(word + "word" + word); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the value of `word`, the string `"word"`, and again the value of `word` and outputs it to the console. - Output: `goodwordgood` 2. **Option B**: - Code Explanation: ```java String word = "good"; System.out.println(word + word + word); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the value of `word` three times and outputs it to the console. - Output: `goodgoodgood` 3. **Option C**: - Code Explanation: ```java String word = "good"; System.out.println("word" + "word" + "word"); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the string `"word"` three times and outputs it to the console. - Output: `wordwordword` 4. **Option D**: - Code Explanation: ```java String word = "good"; System.out.println("word" + word + "word"); ``` - This option assigns the string `"good"` to the variable `word`. - The `System.out.println()` statement concatenates the string `"word"`, the value of `word`, and the string `"word"`
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