【分享】【记录】寒假学Java(13)
函数小练习——根据输入次数打印多少次HelloWorld思路
Scanner(键盘扫描)
要打印多少次,返回值用void
for循环,循环条件为输入的值
代码
public class FunctionDom{
public static void main(String[] args) {
Scanner sn = new Scanner(System.in);
System.out.println("请输入要打印多少次");
int cisu = sn.nextInt();
printHW(cisu);//调用方法
}
public static void printHW(int num){//形参
for (int i = 1; i = num; i++) {//把形参作为循环条件
System.out.println("HelloWorld");
}
}
}
http://cdn.u1.huluxia.com/g3/M01/E3/27/wKgBOV4hSzeAACZiAAASBRRa1tA860.jpghttp://cdn.u1.huluxia.com/g3/M01/E3/27/wKgBOV4hSziAB2s9AAA6GEVYZN0555.pnghttp://cdn.u1.huluxia.com/g3/M01/E3/27/wKgBOV4hSziAPJUHAAALSjmmEfU725.png
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