如何使用Java打印带框架的钻石?

问题描述

您好，我仍然是一名学习者，我面临着编写 Java 代码的问题，该代码打印带有包含钻石的框架的钻石.我曾尝试制作镜框，但在制作钻石时遇到了挑战.

Hello I am still a learner, I am faced with writing a java code that prints a diamond with a frame enclosing the diamond. I have tried making the frame, but I am having challenge forming the diamond.

以下是钻石外观示例:

这是我的代码示例:

System.out.print("\n");

// for the top cover
System.out.print("+");
for (int i = 0; i <= (size * 2); i++) {
    System.out.print("-");
}
System.out.println("+");

// for the side
int count = 0;
for (int i = 1; i <= (size * 2) - 1; i++) {
    System.out.print("|");
    for (int j = 0; j <= (size * 2); j++) {
        System.out.print(" ");
    }
    System.out.println("|");
}

// For the bottom
System.out.print("+");
for (int i = 0; i <= (size * 2); i++) {
    System.out.print("-");
}
System.out.println("+");

推荐答案

这里是:

public static void main(String[] args) {
    drawDiamond(6);
}

private static void drawDiamond(int size) {
    System.out.print("\n");

    // for the top cover
    System.out.print("+");
    for (int i = 0; i < size * 2 - 1; i++) {
        System.out.print("-");
    }
    System.out.println("+");

    //first half
    for (int i = 1; i < size; i++) {
        System.out.print("|");
        for (int j = 0; j < size - i; j++) {
            System.out.print("-");
        }
        for (int k = 0; k < i * 2 - 1; k++) {
            System.out.print("*");
        }
        for (int j = 0; j < size - i; j++) {
            System.out.print("-");
        }
        System.out.println("|");
    }

    //middle line
    System.out.print("|");
    for (int i = 0; i < size * 2 - 1; i++) {
        System.out.print("*");
    }
    System.out.println("|");

    //second half
    for (int i = 1; i < size; i++) {
        System.out.print("|");
        for (int j = 0; j <= (i * 2 - 1) / 2; j++) {
            System.out.print("-");
        }
        for (int k = 0; k < (size - i) * 2 - 1; k++) {
            System.out.print("*");
        }
        for (int j = 0; j <= (i * 2 - 1) / 2; j++) {
            System.out.print("-");
        }
        System.out.println("|");
    }

    // For the bottom
    System.out.print("+");
    for (int i = 0; i < size * 2 - ((size + 1) % 2); i++) {
        System.out.print("-");
    }
    System.out.println("+");
}

输出:

+-----------+
|-----*-----|
|----***----|
|---*****---|
|--*******--|
|-*********-|
|***********|
|-*********-|
|--*******--|
|---*****---|
|----***----|
|-----*-----|
+-----------+

有什么问题吗?

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