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Java Tutorial 3: Java Program Structure; Comments in Java; Java Data Types Video Lecture | Selenium Test Automation:Tutorial for Beginners (English) - Software Testing
FAQs on Java Tutorial 3: Java Program Structure; Comments in Java; Java Data Types Video Lecture - Selenium Test Automation:Tutorial for Beginners (English) - Software Testing
| 1. What is the structure of a Java program? |  |
Ans. The structure of a Java program consists of a package declaration, import statements, class declaration, main method, and any number of other methods and variables.
| 2. What are comments in Java? | |
Ans. Comments in Java are lines of code that are ignored by the compiler and are used to provide information or explanations about the code. They can be single-line comments starting with // or multi-line comments enclosed in /* */.
| 3. What are the different data types in Java? | |
Ans. Java provides several data types, including primitive data types such as int, double, boolean, and char, as well as reference data types such as String and arrays. These data types are used to define variables and store different types of values.
| 4. How do you write a single-line comment in Java? | |
Ans. A single-line comment in Java can be written by using two forward slashes (//) followed by the comment text. Anything after // on the same line will be ignored by the compiler.
| 5. Why are comments important in Java programs? | |
Ans. Comments are important in Java programs because they provide clarity and understanding to the code. They help other developers to understand the code's purpose, logic, and any assumptions or limitations. Comments also serve as documentation for future reference and maintenance of the code.
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Nov 30, 2024 Last updated |
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