3、Java——四种图形输出案例-阿里云开发者社区

3、Java——四种图形输出案例

2022-10-09 160

版权

本文内容由阿里云实名注册用户自发贡献，版权归原作者所有，阿里云开发者社区不拥有其著作权，亦不承担相应法律责任。具体规则请查看《阿里云开发者社区用户服务协议》和《阿里云开发者社区知识产权保护指引》。如果您发现本社区中有涉嫌抄袭的内容，填写侵权投诉表单进行举报，一经查实，本社区将立刻删除涉嫌侵权内容。

简介： 3、Java——四种图形输出案例

1、图形一

（1）效果图型

（2）代码展示

public static void main(String[] args) {
        /*
         * 1.图形一：
         * 
         * 
         * * * * * * *
         */
        String s;
        String kongGe;
        System.out.println("图形一：");
        for (int i = 1; i <= 5; i += 2) {
            s = "";
            kongGe = "";
            for (int j2 = i; j2 <= 5; j2 += 2) {
                kongGe = kongGe + "  ";
            }
            for (int j = 1; j <= i; j++) {
                s = s + "* ";
            }
            System.out.println(kongGe + s);
        }
        System.out.println("\n");
    }

2、图形二

（1）效果图型

（2）代码展示

public static void main(String[] args) {
        /*
         * 图形二
         */
        System.out.println("图形二：");
        String s;
        String kongGe;
        for (int i = 6; i <= 16; i += 2) {
            s = "*****";
            kongGe = "";
            for (int j2 = i; j2 <= 16; j2 += 2) {
                kongGe = kongGe + " ";
            }
            for (int j = 6; j <= i; j++) {
                s = s + "*";
            }
            System.out.println(kongGe + s);
        }
        for (int i = 14; i >= 6; i -= 2) {
            s = "*****";
            kongGe = " ";
            for (int j2 = 14; j2 >= i; j2 -= 2) {
                kongGe = kongGe + " ";
            }
            for (int j = 6; j <= i; j++) {
                s = s + "*";
            }
            System.out.println(kongGe + s);
        }
        System.out.println("\n");
    }

3、图形三

（1）效果图型

（2）代码展示

public static void main(String[] args) {
        /*
         * 图形三
         */
        System.out.println("图形三：");
        String s;
        String kongGe;
        //上面部分
        for (int i = 1; i < 10; i++) {
            s = "";
            String kongGe1 = "";
            String kongGe2 = "";
            String kongGe3 = "";
            for (int j2 = i; j2 < 9; j2++) {
                kongGe1 = kongGe1 + " ";// 第一颗星星前面的空格数
            }
            for (int j = 1; j <= i; j++) {
                s = "*";
            }
            if (i == 1) {
                // 第一行一颗星的输出
                System.out.println(kongGe1 + s);
            } else {
                // 两颗星的输出
                for (int j = 2; j <= i; j++) {
                    if (j == i) {
                        kongGe3 = kongGe3 + " *";
                        System.out.println(kongGe1 + s + kongGe2 + kongGe3);
                    }
                    kongGe2 = kongGe2 + "  ";// 第二颗星星前面的空格数
                }
            }            
        }
        //下面部分
        for (int i = 8; i > 0; i--) {
            s = "";
            String kongGe1 = "";
            String kongGe2 = "";
            String kongGe3 = "";
            String kongGe4 = "";
            for (int j = 8; j >= i; j--) {
                kongGe4 = kongGe4 + " ";
                kongGe1 = "*";
            }
            if (i == 1) {
                // 第一行一颗星的输出
                System.out.println(kongGe4+kongGe1);
            }else {
                // 两颗星的输出
                for (int j = 2; j <= i; j++) {
                    if (j == i) {
                        kongGe3 = kongGe3 + " *";
                        System.out.println(kongGe4+kongGe1 + kongGe2 + kongGe3);
                    }
                    kongGe2 = kongGe2 + "  ";// 第二颗星星前面的空格数
                }
            }        
        }
        System.out.println("\n");
    }

4、图形四

（1）效果图型

（2）代码展示

public static void main(String[] args) {
        //图形四
        System.out.println("图形四：");
        String s;
        String kongGe;
        for (int i = 1; i <= 15; i += 2) {
            String s1 = "";
            String s2="";
            kongGe = "";
            String kongGe1="";
            if (i==1) {
                for (int j1 = i; j1 <= 15; j1 += 1) {
                    s1 = s1 + "*";
                }
                System.out.println(s1);
            }
            else{
                for (int j1 = i; j1 <= 15; j1 += 2) {
                    s1 = s1 + "*";
                }
                for (int j2 = i; j2 <= 15; j2 += 2) {
                    s2 = s2 + "*";
                }
                int kg=15-s1.length()-s2.length();
                if(kg!=0)
                {
                    for (int j = 1; j <= kg; j+=2) {
                        kongGe+=kongGe1+" ";
                        kongGe1=" ";
                    }
                }
                System.out.println(s1 +kongGe+ s2);
            }
        }
    }