151129FunctionTest

package java151129;

/*

* 定义一个功能,用于打印

*/

public class FunctionTest {

public static void main(String[] args) {

print();

/*

* 4 * 5的矩阵

*/

for (int i = 0; i < 4; i++) {

for (int j = 0; j < 5; j++) {

System.out.print("*");

}

System.out.println();

}

print();

draw(6, 7);

print();

print99();

}

/**

* row * col 的矩阵

* @param row 行

* @param col 列

*

*/

public static void draw(int row, int col) {

if (row <= 0 || col <= 0) {

return;

}

for (int i = 0; i < row; i++) {

for (int j = 0; j < col; j++) {

System.out.print("*");

}

System.out.println();

}

}

/**

* 分割线

*/

public static void print() {

System.out.println("---------此为分割线--------------");

}

/**

* 九九乘法表

*/

public static void print99() {

for (int i = 1; i <= 9; i++) {

for (int j = 1; j <= i; j++) {

System.out.print(j + "*" + i + "=" + j * i + "\t");

}

System.out.println();

}

}

}