java思想编程与设计模块

				/*
				 *文件名 ex_3_2_3.java
				 *说  明:演示if-else-if阶梯
				 */
				class ex_3_2_3
				{
					public static void main(String args[])
					{
						int month = 4; // 四月
						String season;
						if(month == 12 || month == 1 || month == 2)
							season = "冬天";
						else if(month == 3 || month == 4 || month == 5)
							season = "春天";
						else if(month == 6 || month == 7 || month == 8)
							season = "夏天";
						else if(month == 9 || month == 10 || month == 11)
							season = "秋天";
						else
							season = "不存在的月份";
						System.out.println("四月是" + season + ".");
					}
				}