java心形代碼，java心形代碼_使用java打印心型、圓形圖案的實現代碼_java

/***打印心形*/public static void aiXin(){for(float y = (float) 1.5;y>-1.5;y -=0.1) { for(float x= (float) -1.5;x<1.5;x+= 5){ float a = x*x+y*y-1; if((a*a*a-x*x*y*y*y)<=) { ("^"); } else (" "); } ln(); } }

public static void circle(){int r=15;//圓形的半徑for (int y = 0; y <= 2 * r; y += 2) {//y的步長為2,改變y的步長可以將圓形變成橢圓 int x = (int)(r - Math.sqrt(2 * r * y - y * y)); int len = 2 * (r - x); for (int i = 0; i <= x; i++) { (' '); }('*'); for (int j = 0; j <= len; j++) { (' '); } ln('*'); } }

for (int j = 0; j <= len; j++) { ('*'); } 

publicclass Ch1_1
{public static void main(String[] args){*********for(i = 1; i<= 5; i++)  //循環5次，打印5行｛//打印若干空格//打印若干符號｝｝
｝

for(i =1; i<= n; i++)
{for(j = 1; j <= n – i; j++)  //根據外層行號，輸出符號左邊空格ln(“ ”);
}

for(i =1; i<= n; i++)
{for(k = 1; j <= i * 2 -1; k++) //根據外層行號，輸出符號數ln(“*”);
}

importjava.util.Scanner;
publicclass Ch1_1
{public static void main(String[] args){int i, j, k, n;Scanner input = new Scanner();("請輸入金字塔層數：");n = ();//外層循環控制層數for(i = 1; i <= n; i++){//根據外層行號，輸出星號左邊的空格for(j = 1; j <= n - i; j++)f(" ");//根據外層行號，輸出星號個數for(k = 1; k <= 2 * i -1; k++)("*");//一行結束，換行("\n");}}
}
/**注：Java中的print、printf、println
*/

importjava.util.Scanner;
publicclass Ch1_1
{public static void main(String[] args){int i, j, k, n;Scanner input = new Scanner();("請輸入倒金字塔層數：");n = ();//外層循環控制層數for(i = 1; i <= n; i++){//根據外層行號，輸出星號左邊的空格for(j = 1; j <= i - 1; j++)f(" ");//根據外層行號，輸出星號個數for(k = 1; k <= 2 * (n - i) -1;k++)("*");//一行結束，換行("\n");}}
}

importjava.util.Scanner;
publicclass Ch1_1
{public static void main(String[] args){int i, j, k, n;Scanner input = new Scanner();("請輸入直角三角形層數：");n = ();//外層循環控制層數for(i = 1; i <= n; i++){//根據外層行號，輸出星號個數for(k = 1; k <= n - i + 1; k++)("*");//一行結束，換行("\n");}}
}