
java实现打印等腰三角形
发布日期:2021-05-14 13:02:42
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EQUAL-WIDTH EQUAL-HEIGHT ISOCELES triangle Printing Guide INTO�� Along with this guide, you'll need: 1.Basic understanding of development environments 2.A text editor (like VS Code) 3.Java development kit Step 1: Set Up the Project Open your development environment and create a new Java project. Make sure to select the appropriate package structure for your files. Step 2: Add Necessary Imports Ensure the Java file has the following import statement: import java.util.Scanner; Step 3: Define the Main Class Create a new Java class named `IsoTriangle` with the following structure: public class IsoTriangle { public static void main(String[] args) { // Implementation will go here } } Step 4: Implement the triangle Drawing Logic The code will prompt the user for the desired number of rows and then print a triangle with that number of rows. Here's a breakdown of the code: int rows = 0; System.out.print("Enter the number of rows for the isosceles triangle: "); Scanner input = new Scanner(System.in); rows = input.nextInt(); for (int i = 1; i <= rows; i++) { // Calculate the left padding for (int j = 1; j <= rows - i; j++) { System.out.print(" "); } // Draw the triangle layer for (int k = 1; k <= 2 * i - 1; k++) { System.out.print("*"); } System.out.print("\n"); } Step 5: Compile and Run the Program After writing all the code, compile it using the following commands: javac IsoTriangle.java To execute the program: java IsoTriangle Example Execution: When running the program with 5 rows, it will output: * * * * * * * * * * * * * * * By adjusting the number of rows, you can create various isosceles triangle patterns. This code is designed to be simple yet efficient for educational purposes. It follows standard Java coding practices and can be easily customized for different triangle patterns.
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