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The language is Java. The chapter it is in is on Looping.

The language is Java. The chapter it is in is on Looping.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The language is Java. The chapter it is in is on Looping.

```java import java.util.Scanner; public class LabProgram { public static void main(String[] args) { } } ``` ### Explanation: This is a basic structure of a Java program that demonstrates how to set up a class and a main method, which is the entry point of any Java application. - **Line 1:** `import java.util.Scanner;` - This line imports the `Scanner` class from the `java.util` package, which is used for obtaining input from the user. - **Lines 3-7:** - These lines define a public class named `LabProgram`. - The `main` method is defined within this class. It's a `public static void` method, which means it can be called without creating an instance of the class, doesn't return any value, and is accessible from outside the class. - The `main` method takes a single parameter: an array of `String` objects (`String[] args`), which stores command-line arguments. This basic setup is ready for further development to add functionality to the program. To execute code within the main method, the program logic is written between the curly braces `{ }` of the `main` method.
Transcribed Image Text:```java import java.util.Scanner; public class LabProgram { public static void main(String[] args) { } } ``` ### Explanation: This is a basic structure of a Java program that demonstrates how to set up a class and a main method, which is the entry point of any Java application. - **Line 1:** `import java.util.Scanner;` - This line imports the `Scanner` class from the `java.util` package, which is used for obtaining input from the user. - **Lines 3-7:** - These lines define a public class named `LabProgram`. - The `main` method is defined within this class. It's a `public static void` method, which means it can be called without creating an instance of the class, doesn't return any value, and is accessible from outside the class. - The `main` method takes a single parameter: an array of `String` objects (`String[] args`), which stores command-line arguments. This basic setup is ready for further development to add functionality to the program. To execute code within the main method, the program logic is written between the curly braces `{ }` of the `main` method.
**Problem Description:** Statistics are often calculated with varying amounts of input data. Write a program that takes any number of non-negative integers as input and outputs the average and max. A negative integer ends the input and is not included in the statistics. **Example:** - When the input is: `15 20 0 5 -1` - The output is: `10 20` **Note:** You can assume that at least one non-negative integer is input.
Transcribed Image Text:**Problem Description:** Statistics are often calculated with varying amounts of input data. Write a program that takes any number of non-negative integers as input and outputs the average and max. A negative integer ends the input and is not included in the statistics. **Example:** - When the input is: `15 20 0 5 -1` - The output is: `10 20` **Note:** You can assume that at least one non-negative integer is input.
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