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从 Java SE 7 开始，switch语句可以使用 String 了。String dayOfWeekArg = "Sunday";String typeOfDay;switch (dayOfWeekArg) {case "Monday": typeOfDay = "Start of work week"; break;case "Tuesday":case "Wednesday":case "Thursday": typeOfDay = "Midweek"; break;case "Friday": typeOfDay = "End of work week"; break;case "Saturday":case "Sunday": typeOfDay = "Weekend"; break;default: throw new IllegalArgumentException("Invalid day of the week: " + dayOfWeekArg);} – 更多参见：
– 声 明：转载请注明出处 – Last Updated on 2015-10-29 – Written by ShangBo on 2015-10-29 – End