摘要:
public class testdemo { public static void main(String[] args) { //打印三角形 五行 for (int i = 1; i <= 5; i++) { for (int j = 5; j >=i ; j--) { System.out.p 阅读全文
摘要:
nextline方法 public class demon02 { public class demon01 { } public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.o 阅读全文