How to write love code in java

Steps to write a heart: 1. Create a new Java class and name it HeartPattern; 2. Add a main method to the class; 3. In the main method, use a nested for loop to draw the heart. . The outer loop controls the number of lines, and the inner loop controls the number of spaces and asterisks in each line; 4. Draw the upper part of the heart. Use a for loop to print the spaces so that the asterisks line up. Then use two for loops to print the asterisks to form the upper part of the love; 5. Draw the lower half of the love using the same method as above.

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

The following are the steps to write a heart using Java code:

1. Create a new Java class named HeartPattern.

2. Add a main method to the class, which is the entry point of the program.

3. In the main method, use a nested for loop to draw hearts. The outer loop controls the number of lines, and the inner loop controls the number of spaces and asterisks per line.

4. First, draw the upper part of the heart. Use a for loop to print the spaces so that the asterisks line up. Then use two for loops to print the asterisks to form the top half of the heart.

5. Then, draw the lower part of the heart. Use a for loop to print the spaces so that the asterisks line up. Then use two for loops to print the asterisks to form the lower half of the heart.

6. Finally, call the System.out.println() method in the main method to print the newline character so that a new graph can be drawn on the next line.

The following is a sample code for writing a love using Java code:

java

public class HeartPattern {  
    public static void main(String[] args) {  
        int n = 6; // 控制爱心的大小  
        for (int i = n / 2; i <= n; i += 2) {  
            for (int j = 1; j < n - i; j += 2) {  
                System.out.print(" ");  
            }  
            for (int j = 1; j <= i; j++) {  
                System.out.print("*");  
            }  
            for (int j = 1; j <= n - i; j++) {  
                System.out.print(" ");  
            }  
            for (int j = 1; j <= i; j++) {  
                System.out.print("*");  
            }  
            System.out.println();  
        }  
        for (int i = n; i >= 1; i--) {  
            for (int j = i; j < n; j++) {  
                System.out.print(" ");  
            }  
            for (int j = 1; j <= (i * 2) - 1; j++) {  
                System.out.print("*");  
            }  
            System.out.println();  
        }  
    }  
}

The above is the detailed content of How to write love code in java. For more information, please follow other related articles on the PHP Chinese website!